Dump Answers

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1Z0-007
NOTE: Marked with Red are correct answers.
Updated 15/12/04. added question 190

1. Which of the following queries can you use to search for employees with the pattern
'A_B' in their names?
A. SELECT last_name FROM employees WHERE last_name LIKE '%A_B%' ESCAPE '';
B. SELECT last_name FROM employees WHERE last_name LIKE '%A_B%' ESCAPE;
C. SELECT last_name FROM employees WHERE last_name LIKE 'A_B%' ESCAPE '%';
D. SELECT last_name FROM employees WHERE last_name LIKE '%A_B%' ESCAPE '';

2. Refer to the SQL codes below:
SELECT manager_id, last_name, hire_date, salary, AVG (salary) OVER (PARTITION BY
manager_id ORDER BY hire_date ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING) AS
C_mavg FROM employees;
What has been achieved?
A. because of a syntax problem, no row will be returned
B. it calculates, for each employee in the employees table, the average salary of the employees
reporting to his/her respective manager
C. it calculates, for each employee in the employees table, the average salary of the employees
reporting to his/her respective manager who were hired just before the employee
D. it calculates, for each employee in the employees table, the average salary of the
employees reporting to the same manager who were hired in the range just before through
just after the employee
E. it calculates, for each employee in the employees table, the average salary of the employees
reporting to his/her respective manager who were hired just after the employee

3. with 9i SQL Plus, What kinds of commands can you enters at the command prompt
(Choose all that apply)?
A. PL/SQL blocks
B. SQL*Plus commands
C. security commands
D. SQL commands

4. to write a query that performs an outer join of tables A and B and returns all rows from
B, You need to write
A. any outer join
B. a left outer join
C. a cross join
D. a right outer join
E. an inner join

6. Which of the following correctly shows the correct use of the TRUNC command on a
date?
A. SELECT TRUNC(TO_DATE(12-Feb-99,DD-MON-YY, 'YEAR')) "Date " FROM DUAL;
B. TRUNC = TO_DATE('12-Feb-99','DD-MON-YY'), 'YEAR', "Date " FROM DUAL;
C. SELECT TRUNC(TO_DATE('12-Feb-99','DD-MON-YY'), 'YEAR') "Date " FROM DUAL;
D. date = TRUNC(TO_DATE('12-Feb-99','DD-MON-YY'), 'YEAR') "Date " FROM DUAL

7. To grant a system privilege with the GRANT statement, you must (Choose all that
apply)?

A. have been granted the GRANT ROLE PRIVILEGE system privilege

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B. have been granted the system privilege with the ADMIN OPTION
C. have been granted the GRANT ANY PRIVILEGE system privilege
D. have been granted the system privilege with the GRANT OPTION

11. Which of the following has been achieved by the following SQL codes? SELECT
employee_id FROM employees WHERE commission_pct = .5 OR salary > 23000;

A. it returns employees who have a 50% of a salary greater than $23,000:
B. it returns employees who have a 50% commission rate or a salary greater than
$23,000:
C. runtime error
D. it returns employees who have a 50% of a salary less than $23,000:
E. invalid syntax
F. it returns employees who have a 50% commission rate and a salary greater than
$23,000:

12. Which of the following has been achieved by the following SQL codes? SELECT *
FROM employees WHERE hire_date < TO_DATE ('01-JAN-1999', 'DD-MON-YYYY') AND
salary > 3500;

A. only those hired before 1999 and earning less than $3500 a month are returned
B. compile time error
C. only those hired after 1999 and earning more than $3500 a month are returned
D. runtime error
E. only those hired before 1999 and earning more than $3500 a month are returned

13. Which of the following SQL statements can calculate and return the absolute value of
-33?

A. SELECT ABS("-33") Absolute FROM DUAL;
B. SELECT ABS('-33') "Absolute" FROM DUAL;
C. SELECT ABS(-33) "Absolute" FROM DUAL;
D. SELECT ABS(-33), Absolute FROM DUAL;

14. Which two statements about Subqueries are true? (Choose two.)

A. A single row subquery can retrieve data from only one table.
B. A SQL query statement cannot display data from table B that is referred to in its
subquery, unless table B is included in the main query's FROM clause.
C. A SQL query statement can display data from table B that is referred to in its subquery,
without including table B in its own FROM clause.
D. A single row subquery can retrieve data from more than one table.
E. A single row subquery cannot be used in a condition where the LIKE operator is used for
comparison.
F. A multiple-row subquery cannot be used in a condition where the LIKE operator is used
for comparison.

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15 Examine the description of the STUDENTS table:
STD_ID NUMBER (4)
COURSE_ID VARCHAR2 (10)
START_DATE DATE
END_DATE DATE
Which two aggregate functions are valid on the START_DATE column? (Choose two)

A. SUM(start_date)
B. AVG(start_date)
C. COUNT(start_date)
D. AVG(start_date, end_date)
E. MIN(start_date)
F. MAXIMUM(start_date)

16. Examine the structure of the EMP_DEPT_VU view:
Column Name Type Remarks
EMPLOYEE_ID NUMBER

From the EMPLOYEES table:
EMP_NAME VARCHAR2 (30)
JOB_ID VARCHAR2 (20)
SALARY NUMBER
DEPARTMENT_ID NUMBER

From the DEPARTMENTS table:
DEPT_NAME VARCHAR2 (30)
Which SQL statement produces an error?

A. SELECT * FROM emp_dept_vu;
B. SELECT department_id, SUM(salary) FROM emp_dept_vu GROUP BY department_id;
C. SELECT department_id, job_id, AVG(salary) FROM emp_dept_vu GROUP BY
department_id, job_id;
D. SELECT job_id, SUM(salary) FROM emp_dept_vu WHERE department_id IN (10,20)
GROUP BY job_id HAVING SUM(salary) > 20000;
E. None of the statements produce an error; all are valid.

17. Examine the description of the EMPLOYEES table:
EMP_ID NUMBER (4) NOT NULL
LAST_NAME VARCHAR2 (30) NOT NULL
FIRST_NAME VARCHAR2 (30)
DEPT_ID NUMBER (2)
JOB_CAT VARCHAR (30)
SALARY NUMBER (8, 2)

Which statement shows the department ID, minimum salary, and maximum salary paid in
that department, only if the minimum salary is less than 5000 and maximum salary is more
than 15000?

A. SELECT dept_id, MIN (salary), MAX (salary) FROM employees WHERE MIN(salary) <
5000 AND MAX (salary) > 15000;
B. SELECT dept_id, MIN (salary), MAX (salary) FROM employees WHERE MIN (salary) <
5000 AND MAX (salary) 15000 GROUP BY dept_id;

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C. SELECT dept_id, MIN(salary), MAX(salary) FROM employees HAVING MIN (salary) <
5000 AND MAX (salary)
D. SELECT dept_id, MIN (salary), MAX (salary) FROM employees GROUP BY dept_id
HAVING MIN(salary) < 5000 AND MAX (salary) > 15000
E. SELECT dept_id, MIN (salary), MAX (salary) FROM employees GROUP BY dept_id,
salary HAVING MIN (salary) < 5000 AND MAX (salary) > 15000;

18. You own a table called EMPLOYEES with this table structure:
EMPLOYEE_ID NUMBER Primary Key
LAST_NAME VARCHAR2 (25)
HIRE_DATE DATE
What happens when you execute this DELETE statement?
DELETE employees;

A. You get an error because of a primary key violation.
B. The data and structure of the EMPLOYEES table are deleted.
C. The data in the EMPLOYEES table is deleted but not the structure.
D. You get an error because the statement is not syntactically correct.

19. Evaluate this SQL statement:
SELECT e.employee_id, (.15* e.salary) + (.5 * e.commission_pct) + (s.sales_amount * (.35 *
e.bonus)) AS CALC_VALUE FROM employees e, sales WHERE e.employee_id = s.emp_id;

What will happen if you remove all the parentheses from the calculation?

A. The value displayed in the CALC_VALUE column will be lower.
B. The value displayed in the CALC_VALUE column will be higher.
C. There will be no difference in the value displayed in the CALC_VALUE column.
D. An error will be reported.

20. Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables:

EMPLOYEES:
HIRE_DATE DATE

NEW_EMPLOYEES:
NAME VARCHAR2 (60)

Which MERGE statement is valid?

A. MERGE INTO new_employees c USING employees e ON (c.employee_id =
e.employee_id) WHEN MATCHED THEN UPDATE SET c.name = e.first_name ||','||
e.last_name WHEN NOT MATCHED THEN INSERT VALUES (e.employee_id,
e.first_name ||', '||e.last_name);
B. MERGE new_employees c USING employees e ON (c.employee_id = e.employee_id)
WHEN EXISTS THEN UPDATE SET c.name = e.first_name ||','|| e.last_name WHEN

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NOT MATCHED THEN INSERT VALUES (e.employee_id, e.first_name ||', '||
e.last_name);
C. MERGE INTO new_employees c USING employees e ON (c.employee_id =
e.employee_id) WHEN EXISTS THEN UPDATE SET c.name = e.first_name ||','||
e.last_name WHEN NOT MATCHED THEN INSERT VALUES(e.employee_id,
e.first_name ||', '||e.last_name);
D. MERGE new_employees c FROM employees e ON (c.employee_id = e.employee_id)
WHEN MATCHED THEN UPDATE SET c.name = e.first_name ||','|| e.last_name WHEN
NOT MATCHED THEN INSERT INTO new_employees VALUES (e.employee_id,
e.first_name ||', '||e.! last_name);

21 .The EMPLOYEES table contains these columns: EMPLOYEE_ID NUMBER(4) ENAME
VARCHAR2 (25) JOB_ID VARCHAR2(10) Which SQL statement will return the ENAME,
length of the ENAME, and the numeric position of the letter "a" in the ENAME column, for
those employees whose ENAME ends with a the letter "n"?

A. SELECT ENAME, LENGTH(ENAME), INSTR(ENAME, 'a') FROM EMPLOYEES
WHERE SUBSTR(ENAME, -1, 1) = 'n';
B. SELECT ENAME, LENGTH(ENAME), INSTR(ENAME, ,-1,1) FROM EMPLOYEES
WHERE SUBSTR(ENAME, -1, 1) = 'n';
C. SELECT ENAME, LENGTH(ENAME), SUBSTR(ENAME, -1,1) FROM EMPLOYEES
WHERE INSTR(ENAME, 1, 1) = 'n';
D. SELECT ENAME, LENGTH(ENAME), SUBSTR(ENAME, -1,1) FROM EMPLOYEES
WHERE INSTR(ENAME, -1, 1) = 'n';

22. You would like to display the system date in the format "Monday, 01 June, 2001".
Which SELECT statement should you use?

A. SELECT TO_DATE (SYSDATE, 'FMDAY, DD Month, YYYY') FROM dual;
B. SELECT TO_CHAR (SYSDATE, 'FMDD, DY Month, YYYY') FROM dual;
C. SELECT TO_CHAR (SYSDATE, 'FMDay, DD Month, YYYY') FROM dual;
D. SELECT TO_CHAR (SYSDATE, 'FMDY, DDD Month, YYYY') FROM dual;
E. SELECT TO_DATE (SYSDATE, 'FMDY, DDD Month, YYYY') FROM dual;

23. What is true about joining tables through an Equijoin?

A. You can join a maximum of two tables through an Equijoin.
B. You can join a maximum of two columns through an Equijoin.
C. You specify an Equijoin condition in the SELECT or FROM clauses of a SELECT
statement.
D. To join two tables through an Equijoin, the columns in the join condition must be primary
key and foreign key columns.
E. You can join n tables (all having single column primary keys) in a SQL statement
by specifying a minimum of n-1 join conditions.

24. Which four are valid Oracle constraint types? (Choose four.)

A. CASCADE
B. UNIQUE
C. NONUNIQUE

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D. CHECK
E. PRIMARY KEY
F. CONSTANT
G. NOT NULL

25. View the image below to examine the structures of the EMPLOYEES and TAX tables.
You need to find the percentage tax applicable for each employee. Which SQL statement
would you use?

A. SELECT employee_id, salary, tax_percent FROM employees e, tax t WHERE
e.salary BETWEEN t.min_salary AND t.max_salary;
B. SELECT employee_id, salary, tax_percent FROM employees e, tax t WHERE e.salary >
t.min_salary AND < t.max_salary;
C. SELECT employee_id, salary, tax_percent FROM employees e, tax t WHERE
MIN(e.salary) = t.min_salary AND MAX(e.salary) = t.max_salary;
D. You cannot find the information because there is no common column between the two
tables.

26. Click the Exhibit button to examine the structures of the EMPLOYEES, DEPARTMENTS
and LOCATIONS tables. EMPLOYEES EMPLOYEE_ID NUMBER NOT NULL, Primary Key
EMP NAME VARCHAR2 (30)


SALARY NUMBER

MGR_ID NUMBER References EMPLOYEE_ID column DEPARTMENT_ID NUMBER Foreign
key to DEPARTMNET_ID column of the DEPARTMENTS table DEPARTMENTS
DEPARTMENT_ID NUMBER NOT NULL, Primary Key DEPARTMENT_NAME VARCHAR2
(30)

MGR_ID NUMBER References MGR_ID column of the EMPLOYEES table LOCATION_ID
NUMBER Foreign key to LOCATION_ID column of the LOCATIONS table LOCATIONS
LOCATIONS_ID NUMBER NOT NULL, Primary Key CITY VARCHAR2(30)

Which two SQL statements produce the; name, department name, and the city of all the
employees who earn more than 10000? (Choose Two).

A. SELECT emp_name, department_name, city FROM employees e JOIN departments d
USING (department_id) JOIN locations 1 USING (location_id) WHERE salary > 10000;
B. SELECT emp_name, department_name, city FROM employees e, departments d,
locations 1 JOIN ON (e. department_id = d. department id) AND (d.location_id =
1.location_id) AND salary > 10000;
C. SELECT emp_name, department_name, city FROM employees e, departments d,
locations 1 WHERE salary > 1000;
D. SELECT emp_name, department_name, city FROM employees e, departments d,
locations 1 WHERE e.department_id = d.department_id AND d.location_id =
1.location_id AND salary > 10000;
E. SELECT emp_name, department_name, city FROM employees e NATURAL JOIN
departments, locations WHERE salary > 10000;
Answer: AD...

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27. Which SQL statement would you use to remove a view called EMP_DEPT_VU from
your schema?

A. DROP emp_dept_vu;
B. DELETE emp_dept_vu;
C. REMOVE emp_dept_vu;
D. DROP VIEW emp_dept_vu;
E. DELETE VIEW emp_dept_vu;
F. REMOVE VIEW emp_dept_vu;

28. Which is an iSQL*Plus command?

A. INSERT
B. UPDATE
C. SELECT
D. DESCRIBE
E. DELETE
F. RENAME

29. The EMPLOYEES table has these columns:
HIRE_DATE DATE
Management wants to add a default value to the SALARY column. You plan to alter the
table by using this SQL statement:
ALTER TABLE EMPLOYEES MODIFY (SALARY DEFAULT 5000);
Which is true about your ALTER statement?

A. Column definitions cannot be altered to add DEFAULT values.
B. A change to the DEFAULT value affects only subsequent insertions to the table.
C. Column definitions cannot be altered to add DEFAULT values for columns with a
NUMBER data type.
D. All the rows that have a NULL value for the SALARY column will be updated with the
value 5000.

DEPT_ID NUMBER (2)
Which statement produces the number of different departments that have employees with
last name Smith?

A. SELECT COUNT(*) FROM employees WHERE last_name='Smith';
B. SELECT COUNT (dept_id) FROM employees WHERE last_name='Smith';
C. SELECT DISTINCT(COUNT(dept_id)) FROM employees WHERE last_name='Smith';
D. SELECT COUNT(DISTINCT dept_id) FROM employees WHERE last_name='Smith';
E. SELECT UNIQUE(dept_id) FROM employees WHERE last_name='Smith';

31. Which SELECT statement should you use to extract the year from the system date and
display it in the format "1998"?

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A. SELECT TO_CHAR(SYSDATE, 'yyyy') FROM dual;
B. SELECT TO_DATE(SYSDATE, 'yyyy') FROM dual;
C. SELECT DECODE(SUBSTR(SYSDATE, 8), 'YYYY') FROM dual;
D. SELECT DECODE(SUBSTR(SYSDATE, 8), 'year') FROM dual;
E. SELECT TO_CHAR(SUBSTR(SYSDATE, 8,2),'yyyy') FROM dual;

32. The STUDENT_GRADES table has these columns:
STUDENT_ID NUMBER (12)
SEMESTER_END DATE
GPA NUMBER (4, 3)
Which statement finds students who have a grade point average (GPA) greater than 3.0 for
the calendar year 2001?

A. SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-
JAN-2001' AND '31-DEC-2001' OR gpa > 3.0;
B. SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-
JAN-2001' AND '31-DEC-2001' AND gpa > 3.0;
C. SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN
'01-JAN-2001' AND '31-DEC-2001' AND gpa > 3.0;
D. SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-
JAN-2001' AND '31-DEC-2001' AND gpa >= 3.0;
E. SELECT student_id, gpa FROM student_grades WHERE semester_end > '01-JAN-2001'
OR semester_end < '31-DEC-2001' AND gpa >= 3.0;

33. Top N analysis requires _____ and _____. (Choose two.)

A. the use of rowed
B. a GROUP BY clause
C. an ORDER BY clause
D. only an inline view
E. an inline view and an outer query

34. Which are DML statements? (Choose all that apply.)

A. COMMIT
B. MERGE
C. UPDATE
D. DELETE
E. CREATE
F. DROP

35. Which three is true regarding the use of outer joins? (Choose three.)

A. You cannot use IN operator in a condition that involves an outer join.
B. You use (+) on both sides of the WHERE condition to perform an outer join.
C. You use (*) on both sides of the WHERE condition to perform an outer join.
D. You use an outer join to see only the rows that do not meet the join condition.
E. In the WHERE condition, you use (+) following the name of the column in the table
without matching rows, to perform an outer join.
F. You cannot link a condition that is involved in an outer join to another condition by
using the OR operator.

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36. Which statement adds a constraint that ensures the CUSTOMER_NAME column of the
CUSTOMERS table holds a value?

A. ALTER TABLE customers ADD CONSTRAINT cust_name_nn CHECK customer_name
IS NOT NULL;
B. ALTER TABLE customers MODIFY CONSTRAINT cust_name_nn CHECK
customer_name IS NOT NULL;
C. ALTER TABLE customers MODIFY customer_name CONSTRAINT cust_name_nn
NOT NULL;
D. ALTER TABLE customers MODIFY customer_name CONSTRAINT cust_name_nn IS
NOT NULL;
E. ALTER TABLE customers MODIFY name CONSTRAINT cust_name_nn NOT NULL;
F. ALTER TABLE customers ADD CONSTRAINT cust_name_nn CHECK customer_name
NOT NULL;

SELECT ename, sal, 12*sal+100 FROM EMP;
The SAL column stores the monthly salary of the employee. Which change must be made
to the above syntax to calculate the annual compensation as "monthly salary plus a
monthly bonus of $100, multiplied by 12"?

A. No change is required to achieve the desired results.
B. SELECT ename, sal, 12*(sal+100) FROM emp;
C. SELECT ename, sal, (12*sal)+100 FROM emp;
D. SELECT ename, sal+100,*12 FROM emp;

38. You are the DBA for an academic database. You need to create a role that allows a
group of users to modify existing rows in the STUDENT_GRADES table.

Which set of statements accomplishes this?

A. CREATE ROLE registrar; GRANT MODIFY ON student_grades TO registrar; GRANT
registrar to user1, user2, user3
B. CREATE NEW ROLE registrar; GRANT ALL ON student_grades TO registrar; GRANT
registrar to user1, user2, user3
C. CREATE ROLE registrar; GRANT UPDATE ON student_grades TO registrar; GRANT
ROLE registrar to user1, user2, user3
D. CREATE ROLE registrar; GRANT UPDATE ON student_grades TO registrar;
GRANT registrar to user1, user2, user3;
E. E. CREATE registrar; GRANT CHANGE ON student_grades TO registrar; GRANT
registrar;

39. You need to modify the STUDENTS table to add a primary key on the STUDENT_ID
column. The table is currently empty.
Which statement accomplishes this task?

A. ALTER TABLE students ADD PRIMARY KEY student_id;
B. ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);

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C. ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;
D. ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY
(student_id);
E. ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY
(student_id);

SEMESTER_END DATE
GPA NUMBER (4, 3)
The registrar requested a report listing the students' grade point averages (GPA) sorted
from highest grade point average to lowest. Which statement produces a report that
displays the student ID and GPA in the sorted order requested by the registrar?

A. SELECT student_id, gpa FROM student_grades ORDER BY gpa ASC;
B. SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa ASC;
C. SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa;
D. SELECT student_id, gpa FROM student_grades ORDER BY gpa;
E. SELECT student_id, gpa FROM student_grades SORT ORDER BY gpa DESC;
F. SELECT student_id, gpa FROM student_grades ORDER BY gpa DESC;

41. Which describes the default behavior when you create a table?

A. The table is accessible to all users.
B. Tables are created in the public schema.
C. Tables are created in your schema.
D. Tables are created in the DBA schema.
E. You must specify the schema when the table is created.

42. Which four are attributes of single row functions? (Choose four.)
A. cannot be nested
B. manipulate data items
C. act on each row returned
D. return one result per row
E. accept only one argument and return only one value
F. accept arguments which can be a column or an expression

43. Which statement creates a new user?

A. CREATE USER Susan;
B. CREATE OR REPLACE USER Susan;
C. CREATE NEW USER Susan DEFAULT;
D. CREATE USER Susan IDENTIFIED BY blue;
E. CREATE NEW USER Susan IDENTIFIED by blue;
F. CREATE OR REPLACE USER Susan IDENTIFIED BY blue;

44. You need to create a table named ORDERS that contains four columns: - an ORDER_ID
column of number data type - a CUSTOMER_ID column of number data type - an

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ORDER_STATUS column that contains a character data type - a DATE_ORDERED column
to contain the date the order was placed. When a row is inserted into the table, if no value
is provided for the status of the order, the value PENDING should be used instead. Which
statement accomplishes this?

A. CREATE TABLE orders (order_id NUMBER(10), customer_id NUMBER(8), order_status
NUMBER(10) DEFAULT 'PENDING', date_ordered DATE );
B. CREATE TABLE orders (order_id NUMBER(10), customer_id NUMBER(8), order_status
VARCHAR2(10) = 'PENDING', date_ordered DATE );
C. CREATE OR REPLACE TABLE orders (order_id NUMBER(10), customer_id
NUMBER(8), order_status VARCHAR2(10) DEFAULT 'PENDING', date_ordered DATE );
D. CREATE OR REPLACE TABLE orders (order_id NUMBER(10), customer_id
NUMBER(8), order_status VARCHAR2(10) = 'PENDING', date_ordered DATE );
E. CREATE TABLE orders (order_id NUMBER(10), customer_id
NUMBER(8),order_status VARCHAR2(10) DEFAULT 'PENDING', date_ordered
DATE );
F. CREATE TABLE orders (order_id NUMBER(10), customer_id NUMBER(8),order_status
VARCHAR2(10) DEFAULT 'PENDING', date_ordered VARCHAR2 );

45. Which two statements complete a transaction? (Choose two.)

A. DELETE employees;
B. DESCRIBE employees;
C. ROLLBACK TO SAVEPOINT C;
D. GRANT SELECT ON employees TO SCOTT;
E. ALTER TABLE employees SET UNUSED COLUMN sal;
F. SELECT MAX(sal) FROM employees WHERE department_id = 20;

46. Examine the data from the EMP table:
EMP_ID DEPT_ID COMMISSION
1 10 500
2 20 1000
3 10
4 10 600
5 30 800
6 30 200
7 10
8 20 300
The COMMISSION column shows the monthly commission earned by the employee. Which
three tasks would require Subqueries or joins in order to perform in a single step?
(Choose three)

A. Deleting the records of employees who do not earn commission.
B. Increasing the commission of employee 3 by the average commission earned
in department 20.
C. Finding the number of employees who do NOT earn commission and are working for
department 20.
D. Inserting into the table a new employee 10 who works for department 20 and
earns a commission that is equal to the commission earned by employee 3.

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E. Creating a table called COMMISSION that has the same structure and data as
the columns EMP_ID and COMMISSIONS of the EMP table.
F. Decreasing the commission by 150 for the employees who are working in department
30 and earning a commission of more then 800.

47. View the image below and examine the data from the EMP table. Evaluate
this SQL
statement:
SELECT * FROM EMP WHERE commission = (SELECT commission FROM
EMP WHERE emp_id = 3); what is the result when the query is executed?
A. ===
B. ===
C. The query returns no rows.
D. The query fails because the outer query is retrieving more than one column.
E. The query fails because both the inner and outer queries are retrieving data from the
same table.

48. Examine the data in the EMPLOYEES and DEPARTMENTS tables.
EMPLOYEES LAST_NAME DEPARTMENT_ID SALARY
Getz 10 3000
Davis 20 1500
King 20 2200
Davis 30 5000
Kochhar 5000

DEPARTMENTS
DEPARTMENT_ID DEPARTMENT_NAME
10 Sales
20 Marketing
30 Accounts
40 Administration
You want to retrieve all employees, whether or not they have matching departments in the
departments table. Which query would you use?

A. SELECT last_name, department_name FROM employees , departments(+);
B. SELECT last_name, department_name FROM employees JOIN departments (+);
C. SELECT last_name, department_name FROM employees(+) e JOIN departments d ON
(e.department_id = d.department_id);
D. SELECT last_name, department_name FROM employees e RIGHT OUTER JOIN
departments d ON (e.department_id = d.department_id);
E. SELECT last_name, department_name FROM employees(+) , departments ON
(e.department_id = d.department_id);
F. SELECT last_name, department_name FROM employees e LEFT OUTER JOIN

49. Examine the structure of the EMPLOYEES table:
Which three statements insert a row into the table? (Choose three.)

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A. INSERT INTO employees VALUES ( NULL, 'John', 'Smith');
B. INSERT INTO employees( first_name, last_name) VALUES( 'John', 'Smith');
C. INSERT INTO employees VALUES ( '1000', 'John', NULL);
D. INSERT INTO employees (first_name, last_name, employee_id) VALUES ( 1000, 'John',
'Smith');
E. INSERT INTO employees (employee_id) VALUES (1000);
F. INSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000,
'John', ‘ ');

50. Evaluate these two SQL statements:
SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY salary DESC;
SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY 2 DESC;
What is true about them?

A. The two statements produce identical results.
B. The second statement returns a syntax error.
C. There is no need to specify DESC because the results are sorted in descending order by
default.
D. 3The two statements can be made to produce identical results by adding a column alias
for the salary column in the second SQL statement.

HIRE_DATE DATE
Which UPDATE statement is valid?

A. UPDATE employees SET first_name = 'John' SET last_name='Smith' WHERE
employee_id = 180;
B. UPDATE employees SET first_name = 'John', SET last_name ='Smith' WHERE
employee_id = 180;
C. UPDATE employees SET first_name = 'John' AND last_name ='Smith' WHERE
employee_id = 180;
D. UPDATE employees SET first_name = 'John', last_name ='Smith' WHERE
employee_id = 180;

52. Evaluate the SQL statement DROP TABLE DEPT;
Which four statements are true of the SQL statement? (Choose four.)

A. You cannot roll back this statement.
B. All pending transactions are committed.
C. All views based on the DEPT table are deleted.
D. All indexes based on the DEPT table are dropped.
E. All data in the table is deleted, and the table structure is also deleted.
F. All data in the table is deleted, but the structure of the table is retained.
G. All synonyms based on the DEPT table are deleted.

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53. The user Sue issues this SQL statement: GRANT SELECT ON sue.EMP TO Alice WITH
GRANT OPTION; The user Alice issues this SQL statement: GRANT SELECT ON sue.EMP
TO Rena WITH GRANT OPTION; The user Rena issues this SQL statement: GRANT
SELECT ON sue.EMP TO timber; The user Sue issues this SQL statement: REVOKE select
on sue.EMP FROM Alice; For which users does the revoke command revoke SELECT
privileges on the SUE.EMP table?

A. Alice only
B. Alice and Rena
C. Alice, Rena, and Timber
D. Sue, Alice, Rena, and Timber

54. The EMPLOYEES table contains these columns:
EMPLOYEE_ID NUMBER (4)
You want to search for strings that contain 'SA_' in the JOB_ID column. Which SQL
statement do you use?

A. SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE
'%SA_%' ESCAPE '';
B. SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE
'%SA_';
C. SELECT employee_id, last_name, job_id FROM employees WHERE job_id LIKE '%SA_'
ESCAPE "";
D. SELECT employee_id, last_name, job_id FROM employees WHERE job_id = '%SA_';

Column name Data type Remarks
EMPLOYEE_ID NUMBER NOT NULL, Primary Key
JOB_ID NUMBER
SAL NUMBER
MGR_ID NUMBER
References EMPLOYEE_ID column DEPARTMENT_ID NUMBER
You need to create an index called NAME_IDX on the first name and last name fields of the
EMPLOYEES table. Which SQL statement would you use to perform this task?

A. CREATE INDEX NAME_IDX (first_name, last_name);
B. CREATE INDEX NAME_IDX (first_name AND last_name);
C. CREATE INDEX NAME_IDX ON (first_name, last_name);
D. CREATE INDEX NAME_IDX ON employees (first_name AND last_name);
E. CREATE INDEX NAME_IDX ON employees(first_name, last_name);
F. CREATE INDEX NAME_IDX FOR employees(first_name, last_name);

56. The CUSTOMERS table has these columns:
CUSTOMER_ID NUMBER (4) NOT NULL
CUSTOMER_NAME VARCHAR2 (100) NOT NULL
CUSTOMER_ADDRESS VARCHAR2 (150)
CUSTOMER_PHONE VARCHAR2 (20)

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You need to produce output that states "Dear Customer customer_name”. The
customer_name data values come from the CUSTOMER_NAME column in the
CUSTOMERS table. Which statement produces this output?

A. SELECT dear customer, customer_name, FROM customers;
B. SELECT "Dear Customer", customer_name || ',' FROM customers;
C. SELECT 'Dear Customer ' || customer_name ',' FROM customers;
D. SELECT 'Dear Customer ' || customer_name || ',' FROM customers;
E. SELECT "Dear Customer " || customer_name || "," FROM customers;
F. SELECT 'Dear Customer ' || customer_name || ',' || FROM customers;

57. What is true about sequences?

A. Once created, a sequence belongs to a specific schema.
B. Once created, a sequence is linked to a specific table.
C. Once created, a sequence is automatically available to all users.
D. Only the DBA can control which sequence is used by a certain table.
E. Once created, a sequence is automatically used in all INSERT and UPDATE statements.

58. Which statement describes the ROWID data type?

A. binary data up to 4 gigabytes
B. character data up to 4 gigabytes
C. raw binary data of variable length up to 2 gigabytes
D. binary data stored in an external file, up to 4 gigabytes
E. a hexadecimal string representing the unique address of a row in its table

59. Which object privileges can be granted on a view?

A. none
B. DELETE, INSERT, SELECT
C. ALTER, DELETE, INSERT, SELECT
D. DELETE, INSERT, SELECT, UPDATE

60. Examine the SQL statement that creates ORDERS table:
CREATE TABLE orders (SER_NO NUMBER UNIQUE, ORDER_ID NUMBER, ORDER_DATE
DATE NOT NULL, STATUS VARCHAR2 (10) CHECK (status IN ('CREDIT', 'CASH')),
PROD_ID NUMBER REFERENCES PRODUCTS (PRODUCT_ID), ORD_TOTAL NUMBER,
PRIMARY KEY (order_id, order_date));
For which columns would an index be automatically created when you execute the above
SQL statement? (Choose two.)

A. SER_NO
B. ORDER_ID
C. STATUS
D. PROD_ID
E. ORD_TOTAL
F. composite index on ORDER_ID and ORDER_DATE

61. What is true of using group functions on columns that contain NULL values?

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A. Group functions on columns ignore NULL values.
B. Group functions on columns returning dates include NULL values.
C. Group functions on columns returning numbers include NULL values.
D. Group functions on columns cannot be accurately used on columns that contain NULL
values.
E. Group functions on columns include NULL values in calculations if you use the keyword
INC_NULLS.

SEMESTER_END DATE
GPA NUMBER (4, 3)
Which statement finds the highest grade point average (GPA) per semester?

A. SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL;
B. SELECT (gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT
NULL;
C. SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL GROUP BY
semester_end;
D. SELECT MAX(gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM
student_grades;
E. SELECT MAX(gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS
NOT NULL;
63. In which four clauses can a subquery be used? (Choose four.)

A. in the INTO clause of an INSERT statement
B. in the FROM clause of a SELECT statement
C. in the GROUP BY clause of a SELECT statement
D. in the WHERE clause of a SELECT statement
E. in the SET clause of an UPDATE statement F. in the VALUES clause of an INSERT
statement
64. Examine this statement:
SELECT student_id, GPA FROM student_grades WHERE GPA > &&value;
You run the statement once, and when prompted you enter a value of 2.0. A report is
produced. What happens when you run the statement a second time?

A. An error is returned.
B. You are prompted to enter a new value.
C. A report is produced that matches the first report produced.
D. You are asked whether you want a new value or if you want to run the report based on
the previous value.

65. Which SQL statement returns a numeric value?

A. SELECT ADD_MONTHS(MAX (hire_date), 6) FROM EMP;
B. SELECT ROUND(hire_date)FROM EMP;
C. SELECT sysdate-hire_date FROM EMP;
D. SELECT TO_NUMBER(hire_date + 7)FROM EMP;

66. What are two reasons to create synonyms? (Choose two.)

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A. You have too many tables.
B. Your tables are too long.
C. Your tables have difficult names.
D. You want to work on your own tables.
E. You want to use another schema's tables.
F. You have too many columns in your tables.

67. Examine the data of the EMPLOYEES table.
EMPLOYEES (EMPLOYEE_ID is the primary key.
MGR_ID is the ID of managers and refers to the EMPLOYEE_ID)

EMPLOYEE_ID EMP_NAME DEPT_ID MGR_ID JOB_ID SALARY
101 Smith 20 120 SA_REP 4000
102 Martin 10 105 CLERK 2500
103 Chris 20 120 IT_ADMIN 4200
104 John 30 108 HR_CLERK 2500
105 Diana 30 108 HR_MGR 5000
106 Bryan 40 110 AD_ASST 3000
108 Jennifer 30 110 HR_DIR 6500
110 Bob 40 EX_DIR 8000
120 Ravi 20 110 SA_DIR 6500

Evaluate this SQL statement:

SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.employee_id
"Mgr_id", m.emp_name "Manager" FROM employees e, employees m WHERE e.mgr_id =
m.employee_id AND e.salary > 4000;
What is its output?

A. Emp_id EMPLOYEE SALARY Mgr_id Manager
---- --------- ------------- ---------------- -------------
110 Bob 8000 Bob
120 Ravi 6500
110 Ravi
108 Jennifer 6500
110 Jennifer
103 Chris 4200
120 Chris
105 Diana 5000
108 Diana
B. Emp_id EMPLOYEE SALARY Mgr_id Manager
------- ------------- ----------------- ------------------
120 Ravi 6500
110 Bob
108 Jennifer 6500
110 Bob
103 Chris 4200
120 Ravi
105 Diana 5000
108 Jennifer
C. Emp_id EMPLOYEE SALARY Mgr_id Manager
------- ---------- --------- -------------
110 Bob 8000
120 Ravi 6500
110 Bob

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108 Jennifer 6500
110 Bob
103 Chris 4200
120 Ravi
105 Diana 5000
108 Jennifer
D. Emp_id EMPLOYEE SALARY Mgr_id Manager
------- ---------- --------- --------------
110 Bob 8000
110 Bob
120 Ravi 6500
120 Ravi
108 Jennifer 6500
108 Jennifer
103 Chris 4200
103 Chris
105 Diana 5000
105 Dina

E. the SQL statement produces an error.

68. What is true about updates through a view?

A. You cannot update a view with group functions.
B. When you update a view group functions are automatically computed.
C. When you update a view only the constraints on the underlying table will be in effect.
D. When you update a view the constraints on the views always override the constraints on
the underlying tables.

69. You need to write a SQL statement that returns employee name, salary, department ID,
and maximum salary earned in the department of the employee for all employees who earn
less than the maximum salary in their department.
Which statement accomplishes this task?

A. SELECT a.emp_name, a.sal, b.dept_id, MAX(sal) FROM employees a, departments b
WHERE a.dept_id = b.dept_id AND a.sal < MAX(sal) GROUP BY b.dept_id;
B. SELECT a.emp_name, a.sal, a.dept_id, b.maxsal FROM employees a, (SELECT
dept_id, MAX(sal) maxsal FROM employees GROUP BY dept_id) b WHERE a.dept_id =
b.dept_id AND a.sal < b.maxsal;
C. SELECT a.emp_name, a.sal, a.dept_id, b.maxsal FROM employees a WHERE a.sal <
(SELECT MAX(sal) maxsal FROM employees b GROUP BY dept_id);
D. SELECT emp_name, sal, dept_id, maxsal FROM employees, (SELECT dept_id,
MAX(sal) maxsal FROM employees GROUP BY dept_id) WHERE a.sal < maxsal;

Answer: B

70. View the image below and examine the data from the ORDERS and CUSTOMERS
tables. Evaluate this SQL statement:
SELECT cust_id, ord_total FROM orders WHERE ord_total > ANY(SELECT ord_total FROM
orders WHERE cust_id IN (SELECT cust_id FROM customers WHERE city LIKE 'New
York'));
What is the result when the above query is executed?

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A. **

B. **

C. **

D. **

E. The query returns no rows.
F. The query fails because ANY is not a valid operator with a subquery.

71. Mark for review You need to create a table named ORDERS that contains four
columns: - an ORDER_ID column of number data type - a CUSTOMER_ID column of
number data type - an ORDER_STATUS column that contains a character data type - a
DATE_ORDERED column to contain the date the order was placed. When a row is inserted
into the table, if no value is provided when the order was placed, today's date should be
used instead.
Which statement accomplishes this?

A. CREATE TABLE orders (order_id NUMBER(10), customer_id NUMBER(8),order_status
VARCHAR2 (10),date_ordered DATE = SYSDATE);
B. CREATE TABLE orders (order_id NUMBER(10), customer_id
NUMBER(8),order_status VARCHAR2 (10),date_ordered DATE DEFAULT
SYSDATE);
C. CREATE OR REPLACE TABLE orders (order_id NUMBER(10), customer_id
NUMBER(8),order_status VARCHAR2 (10),date_ordered DATE DEFAULT SYSDATE);
D. CREATE OR REPLACE TABLE orders (order_id NUMBER(10), customer_id
NUMBER(8),order_status VARCHAR2 (10),date_ordered DATE = SYSDATE);
E. CREATE TABLE orders (order_id NUMBER(10), customer_id NUMBER(8),order_status
NUMBER (10),date_ordered DATE = SYSDATE);
F. CREATE TABLE orders (order_id NUMBER(10), customer_id NUMBER(8),order_status
NUMBER (10),date_ordered DATE DEFAULT SYSDATE);

72. Mark for review Evaluate the SQL statement:
SELECT ROUND (45.953, -1), TRUNC (45.936, 2) FROM dual;
Which values are displayed?

A. 46 and 45
B. 46 and 45.93
C. 50 and 45.93
D. 50 and 45.9
E. 45 and 45.93
F. 45.95 and 45.93

73. Mark for review. The CUSTOMERS table has these columns:
STREET_ADDRESS VARCHAR2 (150)
CITY_ADDRESS VARCHAR2 (50)
STATE_ADDRESS VARCHAR2 (50)
PROVINCE_ADDRESS VARCHAR2 (50)

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COUNTRY_ADDRESS VARCHAR2 (50)
POSTAL_CODE VARCHAR2 (12)
A promotional sale is being advertised to the customers in France. Which WHERE clause
identifies customers that are located in France?

A. WHERE lower(country_address) = "France"
B. WHERE lower(country_address) = 'france'
C. WHERE lower(country_address) IS 'France'
D. WHERE lower(country_address) = '%France%'
E. WHERE lower(country_address) LIKE %France%

74. Mark for review Examine the description of the CUSTOMERS table:
The CUSTOMER_ID column is the primary key for the table.

Which statement returns the city address and the number of customers in the cities Los
Angeles or San Francisco?

A. SELECT city_address, COUNT(*) FROM customers WHERE city_address IN ('Los
Angeles', 'San Francisco');
B. SELECT city_address, COUNT(*) FROM customers WHERE city_address IN ('Los
Angeles', 'San Francisco') GROUP BY city_address;
C. SELECT city_address, COUNT(customer_id) FROM customers WHERE city_address IN
('Los Angeles', 'San Francisco') GROUP BY city_address, customer_id;
D. SELECT city_address, COUNT(customer_id) FROM customers GROUP BY city_address
IN ('Los Angeles', 'San Francisco');

75. Mark for review what does the FORCE option for creating a view do?

A. creates a view with constraints
B. creates a view even if the underlying parent table has constraints
C. creates a view in another schema even if you don't have privileges
D. creates a view regardless of whether or not the base tables exist

76. Mark for review The CUSTOMERS table has these columns:

21 of 57 1Z0-007 Q1

The CUSTOMER_ID column is the primary key for the table. You need to determine how
dispersed your customer base is. Which expression finds the number of different
countries represented in the CUSTOMERS table?

A. COUNT(UPPER(country_address))
B. COUNT(DIFF(UPPER(country_address)))
C. COUNT(UNIQUE(UPPER(country_address)))
D. COUNT DISTINCT UPPER(country_address)
E. COUNT(DISTINCT (UPPER(country_address)))

77. Mark for review a data manipulation language statement _____.

A. completes a transaction on a table
B. modifies the structure and data in a table
C. modifies the data but not the structure of a table
D. modifies the structure but not the data of a table

78. Mark for review which two tasks can you perform using only the TO_CHAR function?
(Choose two.)

A. convert 10 to 'TEN'
B. convert '10' to 10
C. convert 10 to '10'
D. convert 'TEN' to 10
E. convert a date to a character expression
F. convert a character expression to a date

79. Mark for review The DBA issues this SQL command: CREATE USER Scott IDENTIFIED
by tiger; what privileges do the user Scott has at this point?

A. no privileges
B. only the SELECT privilege
C. only the CONNECT privilege
D. all the privileges of a default user

80. Mark for review View the image below and examine the data in the EMPLOYEES table.
Examine the subquery:
SELECT last_name FROM employees WHERE salary IN (SELECT MAX (salary) FROM
employees GROUP BY department_id);
Which statement is true?

A. The SELECT statement is syntactically accurate.
B. The SELECT statement does not work because there is no HAVING clause.
C. The SELECT statement does not work because the column specified in the GROUP BY
clause is not in the SELECT list.
D. The SELECT statement does not work because the GROUP BY clause should be in the
main query and not in the subquery.

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81. Mark for review you need to produce a report for mailing labels for all customers. The
mailing label must have only the customer name and address. The CUSTOMERS table has
these columns:
CUST_ID NUMBER (4) NOT NULL
CUST_NAME VARCHAR2 (100) NOT NULL
CUST_ADDRESS VARCHAR2 (150)
CUST_PHONE VARCHAR2 (20)
Which SELECT statement accomplishes this task?

A. SELECT *FROM customers;
B. SELECT name, address FROM customers;
C. SELECT id, name, address, phone FROM customers;
D. SELECT cust_name, cust_address FROM customers;
E. SELECT cust_id, cust_name, cust_address, cust_phone FROM customers;

82. Mark for review Examine the statement:
GRANT select, insert, update ON student_grades TO manager WITH GRANT OPTION;
which two are true? (Choose two.)

A. MANAGER must be a role.
B. It allows the MANAGER to pass the specified privileges on to other users.
C. It allows the MANAGER to create tables that refer to the STUDENT_GRADES table.
D. It allows the MANAGER to apply all DML statements on the STUDENT_GRADES table.
E. It allows the MANAGER the ability to select from, insert into, and update the
STUDENT_GRADES table.
F. It allows the MANAGER the ability to select from, delete from, and update the
STUDENT_GRADES table.

83. Mark for review which best describes an inline view?

A. a schema object
B. a subquery that can contain an ORDER BY clause
C. another name for a view that contains group functions
D. a subquery that is part of the FROM clause of another query

84. Mark for review. Examine the structure of the EMPLOYEES and DEPARTMENTS tables:
EMPLOYEES
EMPLOYEE_ID NUMBER
MANAGER_ID NUMBER

DEPARTMENTS
MANAGER_ID NUMBER
DEPARTMENT_NAME VARCHAR2 (35)
LOCATION_ID NUMBER

You want to create a report displaying employee last names, department names, and
locations. Which query should you use to create an Equijoin?

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A. SELECT last_name, department_name, location_id FROM employees , departments ;
B. SELECT employees.last_name, departments.department_name, departments.location_id
FROM employees e, departments D WHERE e.department_id =d.department_id;
C. SELECT e.last_name, d.DEPARTMENT_NAME, d.location_id FROM employees e,
departments D WHERE manager_id =manager_id;
D. SELECT e.last_name, d.DEPARTMENT_NAME, d.location_id FROM employees e,
departments D WHERE e.department_id =d.department_id;

85. Mark for review The PRODUCTS table has these columns:
PRODUCT_ID NUMBER (4)
PRODUCT_NAME VARCHAR2 (45)
PRICE NUMBER (8, 2)
Evaluate this SQL statement:
SELECT * FROM PRODUCTS ORDER BY price, product_name;
What is true about the SQL statement?

A. The results are not sorted.
B. The results are sorted numerically.
C. The results are sorted alphabetically.
D. The results are sorted numerically and then alphabetically.

86. Examine the data in the EMPLOYEES table:

LAST_NAME DEPARTMENT_ID SALARY
Getz 10 3000
Davis 20 1500
King 20 2200
Davis 30 5000

Which three Subqueries work? (Choose three)

A. SELECT * FROM employees where salary > (SELECT MIN(salary) FROM employees
GROUP BY department_id);
B. SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees
GROUP BY department_id);
C. SELECT distinct department_id FROM employees Where salary > ANY (SELECT
AVG(salary) FROM employees GROUP BY department_id);
D. SELECT department_id FROM employees WHERE SALARY > ALL (SELECT
AVG(salary) FROM employees GROUP BY department_id);
E. SELECT last_name FROM employees Where salary > ANY (SELECT MAX(salary)
FROM employees GROUP BY department_id);
F. SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary)
FROM employees GROUP BY AVG(SALARY));

87. Mark for review. In which two cases would you use an outer join? (Choose two.)

A. The tables being joined have NOT NULL columns.
B. The tables being joined have only matched data.
C. The columns being joined have NULL values.
D. The tables being joined have only unmatched data.
E. The tables being joined have both matched and unmatched data.

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F. Only when the tables have a primary key/foreign key relationship.

88. Mark for review. In which case would you use a FULL OUTER JOIN?

A. Both tables have NULL values.
B. You want all unmatched data from one table.
C. You want all matched data from both tables.
D. You want all unmatched data from both tables.
E. One of the tables has more data than the other.
F. You want all matched and unmatched data from only one table.

89. Mark for review. Which constraint can be defined only at the column level?

A. UNIQUE
B. NOT NULL
C. CHECK
D. PRIMARY KEY
E. FOREIGN KEY

90. Mark for review. Examine the structure of the EMPLOYEES table:

HIRE_DATE DATE

You issue these statements:
CREATE table new_emp (employee_id NUMBER, name VARCHAR2 (30));

INSERT INTO new_emp SELECT employee_id , last_name from employees;
Savepoint s1;
UPDATE new_emp set name = UPPER (name);
Savepoint s2;
Delete from new_emp;
Rollback to s2;
Delete from new_emp where employee_id =180;
UPDATE new_emp set name = 'James';
Rollback to s2;
UPDATE new_emp set name = 'James' WHERE employee_id =180;
Rollback;

At the end of this transaction, what is true?

A. You have no rows in the table.
B. You have an employee with the name of James.
C. You cannot roll back to the same Savepoint more than once.
D. Your last update fails to update any rows because employee ID 180 was already deleted.

91. Mark for review Which SQL statement generates the alias Annual Salary for the
calculated column SALARY*12?

A. SELECT ename, salary*12 'Annual Salary' FROM employees;
B. SELECT ename, salary*12 "Annual Salary" FROM employees;
C. SELECT ename, salary*12 AS Annual Salary FROM employees;
D. SELECT ename, salary*12 AS INITCAP("ANNUAL SALARY") FROM employees

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92. Mark for review View the image below and examine the data in the EMPLOYEES and
DEPARTMENTS tables.

On the EMPLOYEES table,
EMPLOYEE_ID is the primary key.
MGR_ID is the ID of managers and refers to the EMPLOYEE_ID.

On the DEPARTMENTS table,
DEPARTMENT_ID is the primary key.

Evaluate this UPDATE statement:

UPDATE employees SET mgr_id = (SELECT mgr_id FROM employees WHERE dept_id =
(SELECT department_id FROM departments WHERE department_name = 'Administration') ),
Salary = (SELECT salary FROM employees WHERE emp_name = 'Smith') WHERE job_id =
'IT_ADMIN';

What happens when the statement is executed?

A. The statement executes successfully, leaves the manager ID as the existing value, and
changes the salary to 4000 for the employees with ID 103 and 105.
B. The statement executes successfully, changes the manager ID to NULL, and changes
the salary to 4000 for the employees with ID 103 and 105.
C. The statement executes successfully, changes the manager ID to NULL, and changes
the salary to 3000 for the employees with ID 103 and 105.
D. The statement fails because there is more than one row matching the employee
name Smith.
E. The statement fails because there is more than one row matching the IT_ADMIN job ID in
the EMPLOYEES table.
F. The statement fails because there is no 'Administration' department in the
DEPARTMENTS table

93. Mark for review. Examine the structure of the EMPLOYEES table:
EMPLOYEE_ID NUMBER NOT NULL
SAL NUMBER
MGR_ID NUMBER

You want to create a SQL script file that contains an INSERT statement. When the script is run,
the INSERT statement should insert a row with the specified values into the EMPLOYEES table.
The INSERT statement should pass values to the table columns as specified below:

EMPLOYEE_ID: Next value from the sequence
EMP_ID_SEQEMP_NAME and JOB_ID: As specified by the user during run time, through
substitution variables
SAL: 2000 MGR_ID: No value
DEPARTMENT_ID: Supplied by the user during run time through substitution variable.
The INSERT statement should fail if the user supplies a value other than 20 or 50.

Which INSERT statement meets the above requirements?

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A. INSERT INTO employees VALUES (emp_id_seq. NEXTVAL, '&ename', '&job_Id', 2000,
NULL, &did);
B. INSERT INTO employees VALUES (emp_id_seq. NEXTVAL, '&ename', '&job_Id', 2000,
NULL, &did IN (20,50));
C. INSERT INTO (SELECT * FROM employees WHERE department_id IN (20,50))
VALUES (emp_id_seq. NEXTVAL, '&ename', '&job_id', 2000, NULL, &did);
D. INSERT INTO (SELECT * FROM employees WHERE department_id IN (20,50) WITH
CHECK OPTION)VALUES (emp_id_seq. NEXTVAL, '&ename', '&job_id', 2000, NULL,
&did);
E. NSERT INTO (SELECT * FROM employees WHERE (department_id = 20 AND
department_id = 50) WITH CHECK OPTION )VALUES (emp_id_seq. NEXTVAL,
'&ename', '&job_id', 2000, NULL, &did);

94. Mark for review. The user Alice wants to grant all users query privileges on her DEPT
table. Which SQL statement accomplishes this?

A. GRANT select ON dept TO ALL_USERS;
B. GRANT select ON dept TO ALL;
C. GRANT QUERY ON dept TO ALL_USERS
D. GRANT select ON dept TO PUBLIC;

95. Mark for review. Which view should a user query to display the columns associated
with the constraints on a table owned by the user?

A. USER_CONSTRAINTS
B. USER_OBJECTS
C. ALL_CONSTRAINTS
D. USER_CONS_COLUMNS
E. USER_COLUMNS

96. Mark for review. Which two statements are true about WHERE and HAVING clauses?
(Choose two.)

A. A WHERE clause can be used to restrict both rows and groups.
B. A WHERE clause can be used to restrict rows only.
C. A HAVING clause can be used to restrict both rows and groups.
D. A HAVING clause can be used to restrict groups only.
E. A WHERE clause CANNOT be used in a query if the query uses a HAVING clause.
F. A HAVING clause CANNOT be used in Subqueries.

97. Mark for review. The EMP table contains these columns:
DEPARTMENT_ID NUMBER (6)
You need to display the employees who have not been assigned to any department. You
write the SELECT statement:
SELECT LAST_NAME, SALARY, DEPARTMENT_ID FROM EMP WHERE DEPARTMENT_ID
= NULL;
What is true about this SQL statement?

A. The SQL statement displays the desired results.

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B. The column in the WHERE clause should be changed to display the desired results.
C. The operator in the WHERE clause should be changed to display the desired
results.
D. The WHERE clause should be changed to use an outer join to display the desired
results.

98. Mark for review Examine these statements:
CREATE ROLE registrar;
GRANT UPDATE ON student_grades TO registrar;
GRANT registrar to user1, user2, user3;
What does this set of SQL statements do?

A. The set of statements contains an error and does not work.
B. It creates a role called REGISTRAR, adds the MODIFY privilege on the
STUDENT_GRADES object to the role, and gives the REGISTRAR role to three users.
C. It creates a role called REGISTRAR, adds the UPDATE privilege on the
STUDENT_GRADES object to the role, and gives the REGISTRAR role to three
users.
D. It creates a role called REGISTRAR, adds the UPDATE privilege on the
STUDENT_GRADES object to the role, and creates three users with the role.
E. It creates a role called REGISTRAR, adds the UPDATE privilege on three users, and
gives the REGISTRAR role to the STUDENT_GRADES object.
F. It creates a role called STUDENT_GRADES, adds the UPDATE privilege on three users,
and gives the UPDATE role to the registrar.

99. Mark for review. You need to design a student registration database that contains
several tables storing academic information.

The STUDENTS table stores information about a student. The STUDENT_GRADES table
stores information about the student's grades. Both of the tables have a column named
STUDENT_ID. The STUDENT_ID column in the STUDENTS table is a primary key.

You need to create a foreign key on the STUDENT_ID column of the STUDENT_GRADES
table that points to the STUDENT_ID column of the STUDENTS table. Which statement
creates the foreign key?

A. CREATE TABLE student_grades (student_id NUMBER(12),semester_end DATE, gpa
NUMBER(4,3), CONSTRAINT student_id_fk REFERENCES (student_id) FOREIGN KEY
students(student_id));
B. CREATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa
NUMBER(4,3), student_id_fk FOREIGN KEY (student_id) REFERENCES
C. CREATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa
NUMBER(4,3), CONSTRAINT FOREIGN KEY (student_id) REFERENCES
D. CREATE TABLE student_grades(student_id NUMBER(12),semester_end DATE,
gpa NUMBER(4,3), CONSTRAINT student_id_fk FOREIGN KEY (student_id)
REFERENCES students(student_id));

100. Mark for review. Evaluate the SQL statement:

28 of 57 1Z0-007 Q1

TRUNCATE TABLE DEPT;
Which three are true about the SQL statement? (Choose three.)

A. It releases the storage space used by the table.
B. It does not release the storage space used by the table.
C. You can roll back the deletion of rows after the statement executes.
D. You can NOT rollback the deletion of rows after the statement executes.
E. An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement
executes will display an error.
F. You must be the owner of the table or have DELETE ANY TABLE system privileges
to truncate the DEPT table

101. Evaluate the SQL statement DROP TABLE DEPT: Which four statements are true of
the SQL statement? (Choose four)

A. You cannot roll back this statement.
B. All pending transactions are committed.
C. All views based on the DEPT table are deleted.
D. All indexes based on the DEPT table are dropped.
E. All data in the table is deleted, and the table structure is also deleted.
F. All data in the table is deleted, but the structure of the table is retained.
G. All synonyms based on the DEPT table are deleted.

102. Mark for review. You need to create a view EMP_VU. The view should allow the users
to manipulate the records of only the employees that are working for departments 10 or
20. Which SQL statement would you use to create the view EMP_VU?

A. CREATE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN
(10,20);
B. CREATE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN
(10,20) WITH READ ONLY;
C. CREATE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN
(10,20) WITH CHECK OPTION;
D. CREATE FORCE VIEW emp_vu AS SELECT * FROM employees WHERE
department_id IN (10,20);]
E. CREATE FORCE VIEW emp_vu AS SELECT * FROM employees WHERE
department_id IN (10,20) NO UPDATE;

103. Mark for review View the image below and examine the data from the EMP table.
The COMMISSION column shows the monthly commission earned by the employee. Which
two tasks would require Subqueries or joins in order to be performed in a single step?
(Choose two.) (Select all that apply)

A. listing the employees who earn the same amount of commission as employee 3
B. finding the total commission earned by the employees in department 10
C. finding the number of employees who earn a commission that is higher than the
average commission of the company

29 of 57 1Z0-007 Q1

D. listing the departments whose average commission is more than 600 E. listing the
employees who do not earn commission and who are working for department 20 in
descending order of the employee ID
E. listing the employees whose annual commission is more than 6000

104. Mark for review. Which two statements are true about constraints? (Choose two.)

A. The UNIQUE constraint does not permit a null value for the column.
B. A UNIQUE index gets created for columns with PRIMARY KEY and UNIQUE
constraints.
C. The PRIMARY KEY and FOREIGN KEY constraints create a UNIQUE index.
D. The NOT NULL constraint ensures that null values are not permitted for the
column.

105. Mark for review Examine the statement:
Create synonym EMP for hr.employees;
What happens when you issue the statement?

A. An error is generated.
B. You will have two identical tables in the HR schema with different names.
C. You create a table called employees in the HR schema based on your EMP table.
D. You create an alternative name for the employees table in the HR schema in your
own schema

106. You need to change the definition of an existing table. The COMMERCIALS table
needs its DESCRIPTION column changed to hold varying length characters up to 2000
bytes. The column can currently hold 1000 bytes per value. The table contains 20000 rows.
Which statement is valid?
A. ALTER TABLE commercials MODIFY (description CHAR2(2000));
B. B. ALTER TABLE commercials CHANGE (description CHAR2(2000));
C. C. ALTER TABLE commercials CHANGE (description VARCHAR2(2000));
D. D. ALTER TABLE commercials MODIFY (description VARCHAR2(2000));
E. E. You cannot increase the size of a column if the table has rows.

107. Mark for review Which SQL statement accepts user input for the columns to be
displayed, the table name, and the WHERE condition?

A. SELECT &1, "&2"FROM &3 WHERE last_name = '&4';
B. SELECT &1, '&2' FROM &3 WHERE '&last_name = '&4'';
C. SELECT &1, &2 FROM &3 WHERE last_name = '&4';
D. SELECT &1, '&2' FROM EMP WHERE last_name = '&4';

108. Mark for review The STUDENT_GRADES table has these columns:
SEMESTER_END DATE
GPA NUMBER (4, 3)
The registrar has requested a report listing the students' grade point averages (GPA),
sorted from highest grade point average to lowest within each semester, starting from the
earliest date. Which statement accomplishes this?

A. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY
semester_end DESC, gpa DESC;

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B. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY
semester_end ASC, gpa ASC;
C. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY
semester_end, gpa DESC;
D. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY gpa DESC,
semester_end DESC;
E. SELECT student_id, semester_end, gpa FROM student_grades ORDER BY gpa DESC,
semester_end ASC;

109. Mark for review Examine the structure of the EMPLOYEES and NEW_EMPLOYEES
tables:
EMPLOYEES
HIRE_DATE DATE

NEW_EMPLOYEES
NAME VARCHAR2 (60)
Which DELETE statement is valid?

A. DELETE FROM employees WHERE employee_id = (SELECT employee_id FROM
employees);
B. DELETE * FROM employees WHERE employee_id = (SELECT employee_id FROM
new_employees);
C. DELETE FROM employees WHERE employee_id IN (SELECT employee_id FROM
new_employees WHERE name ='Carrey');
D. DELETE * FROM employees WHERE employee_id IN (SELECT employee_id FROM
new_employees WHERE last_name ='Carrey');

110. Mark for review. Which three are true? (Choose three.)

A. A MERGE statement is used to merge the data of one table with data from another.
B. A MERGE statement replaces the data of one table with that of another.
C. A MERGE statement can be used to insert new rows into a table.
D. A MERGE statement can be used to update existing rows in a table.

111. Mark for review. Which is a valid CREATE TABLE statement?

A. CREATE TABLE EMP9$# AS (emp_id number(2));
B. CREATE TABLE EMP*123 AS (emp_id number(2));
C. CREATE TABLE PACKAGE AS (pack_id number(2));
D. CREATE TABLE 1EMP_TEST AS (emp_id number(2));

112. Mark for review A SELECT statement can be used to perform these three functions: -
Choose rows from a table. - Choose columns from a table. - Bring together data that is
stored in different tables by creating a link between them. Which set of keywords
describes these capabilities?

A. difference, projection, join
B. selection, projection, join
C. selection, intersection, join

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D. intersection, projection, join
E. difference, projection, product

SELECT e.EMPLOYEE_ID, e.LAST_NAME, e.DEPARTMENT_ID, d.DEPARTMENT_NAME
FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID;
In the statement, which capabilities of a SELECT statement are performed?

A. Selection, projection, join
B. Difference, projection, join
C. Selection, intersection, join
D. Intersection, projection, join
E. Difference, projection, product

114. Mark for review. Which four are types of functions available in SQL? (Choose 4)

A. string
B. character
C. integer
D. calendar
E. numeric
F. translation
G. date
H. conversion

115. Mark for review View the image below and examine the data in the EMPLOYEES and
DEPARTMENTS tables.
You want to retrieve all employees' last names, along with their managers' last names and
their department names. Which query would you use?

A. SELECT last_name, manager_id, department_name FROM employees e FULL OUTER
JOIN departments d ON (e.department_id = d.department_id);
B. SELECT e.last_name, m.last_name, department_name FROM employees e LEFT
OUTER JOIN employees m on ( e.manager_id = m.employee_id) LEFT OUTER JOIN
C. C. SELECT e.last_name, m.last_name, department_name FROM employees e RIGHT
OUTER JOIN employees m on ( e.manager_id = m.employee_id) LEFT OUTER JOIN
D. D. SELECT e.last_name, m.last_name, department_name FROM employees e LEFT
OUTER JOIN employees m on ( e.manager_id = m.employee_id) RIGHT OUTER JOIN
E. E. SELECT e.last_name, m.last_name, department_name FROM employees e RIGHT
OUTER JOIN employees m on ( e.manager_id = m.employee_id) RIGHT OUTER JOIN
F. F. SELECT last_name, manager_id, department_name FROM employees e JOIN
departments d ON (e.department_id = d.department_id) ;

116. Mark for review Examine the structure of the EMPLOYEES table:
EMPLOYEE_ID NUMBER NOT NULL, Primary Key
JOB_ID NUMBER
SAL NUMBER
MGR_ID NUMBER References EMPLOYEE_ID column

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DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column of the
DEPARTMENTS table
You created a sequence called EMP_ID_SEQ in order to populate sequential values for the
EMPLOYEE_ID column of the EMPLOYEES table.

Which two statements regarding the EMP_ID_SEQ sequence are true? (Choose two.)

A. You cannot use the EMP_ID_SEQ sequence to populate the JOB_ID column.
B. The EMP_ID_SEQ sequence is invalidated when you modify the EMPLOYEE_ID
column.
C. The EMP_ID_SEQ sequence is not affected by modifications to the EMPLOYEES
table.
D. Any other column of NUMBER data type in your schema can use the EMP_ID_SEQ
sequence.
E. The EMP_ID_SEQ sequence is dropped automatically when you drop the EMPLOYEES
table.
F. The EMP_ID_SEQ sequence is dropped automatically when you drop the
EMPLOYEE_ID column.

117. Mark for review. Which two are true about aggregate functions? (Choose two.)

A. You can use aggregate functions in any clause of a SELECT statement.
B. You can use aggregate functions only in the column list of the SELECT clause and in the
WHERE clause of a SELECT statement.
C. You can mix single row columns with aggregate functions in the column list of a
SELECT statement by grouping on the single row columns.
D. You can pass column names, expressions, constants, or functions as parameters
to an aggregate function.
E. You can use aggregate functions on a table, only by grouping the whole table as one
single group.
F. You cannot group the rows of a table by more than one column while using aggregate
functions.

118. Mark for review Examine the structure of the STUDENTS table:

STUDENT_ID NUMBER NOT NULL, Primary Key
STUDENT_NAME VARCHAR2 (30)
COURSE_ID VARCHAR2 (10) NOT NULL
MARKS NUMBER
START_DATE DATE
FINISH_DATE DATE

You need to create a report of the 10 students who achieved the highest ranking in the
course INT_SQL and who completed the course in the year 1999.
Which SQL statement accomplishes this task?

A. SELECT student_id, marks, ROWNUM "Rank" FROM students WHERE ROWNUM <=
10 AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND course_id =
'INT_SQL'ORDER BY marks DESC;

33 of 57 1Z0-007 Q1

B. SELECT student_id, marks, ROWID "Rank" FROM students WHERE ROWID <= 10
AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99'AND course_id =
'INT_SQL'ORDER BY marks;
C. SELECT student_id, marks, ROWNUM "Rank" FROM (SELECT student_id, marks
FROM students WHERE ROWNUM <= 10 AND finish_date BETWEEN '01-JAN-99' AND
'31-DEC-99' AND course_id = 'INT_SQL' ORDER BY marks DESC);
D. SELECT student_id, marks, ROWNUM "Rank" FROM (SELECT student_id, marks
FROM students WHERE finish_date BETWEEN '01-JAN-99' AND '31-DEC-99' AND
course_id = 'INT_SQL' ORDER BY marks DESC)WHERE ROWNUM <= 10 ;
E. SELECT student_id, marks, ROWNUM "Rank" FROM (SELECT student_id, marks
FROM students ORDER BY marks) WHERE ROWNUM <= 10 AND finish_date
BETWEEN '01-JAN-99' AND '31-DEC-99' AND course_id = 'INT_SQL';

119. What is necessary for your query on an existing view to execute successfully?

A. The underlying tables must have data.
B. You need SELECT privileges on the view.
C. The underlying tables must be in the same schema.
D. You need SELECT privileges only on the underlying tables.


DEPT_ID NUMBER (2)
JOB_CAT VARCHAR2 (30)

Which statement shows the maximum salary paid in each job category of each
department?

A. SELECT dept_id, job_cat, MAX (salary) FROM employees WHERE salary > MAX
(salary);
B. SELECT dept_id, job_cat, MAX (salary) FROM employees GROUP BY dept_id,
job_cat
C. SELECT dept_id, job_cat, MAX(salary) FROM employees;
D. SELECT dept_id, job_cat, MAX (salary) FROM employees GROUP BY dept_id;
E. SELECT dept_id, job_cat, MAX (salary) FROM employees GROUP BY dept_id, job_cat,
salary;

121. Which SELECT statement will get the result 'elloworld' from the string 'HelloWorld'?

A. SELECT SUBSTR ('HelloWorld',1) FROM dual;
B. SELECT INITCAP(TRIM('HellowWorld', 1,1) FROM dual
C. SELECT LOWER (SUBSTR ('HellowWorld', 2,1) FROM dual
D. SELECT LOWER (SUBSTR('HellowWorld', 2,1) FROM dual
E. SELECT LOWER (TRIM ('H' FROM 'Hello World')) FROM dual

122. Management has asked you to calculate the value 12* salary* commission_pct for all
the employees in the EMP table. The EMP table contains these columns:

34 of 57 1Z0-007 Q1

LAST NAME VARCHAR2 (35) NOT NULL
SALARY NUMBER (9, 2) NOT NULL
COMMISSION_PCT NUMBER (4, 2)

Which statement ensures that a value is displayed in the calculated column for all
employees?

A. SELECT last_name, 12 * salary* commission_pct FROM emp;
B. SELECT last_name, 12 * salary* (commission_pct,0) FROM emp;
C. SELECT last_name, 12 * salary* (nvl(commission_pct,0) FROM emp;
D. SELECT last_name, 12 * salary* (decode(commission_pct,0)) FROM emp;

123. From SQL*Plus, you issue this SELECT statement:
SELECT * FROM orders;
You use this statement to retrieve data from a database table for _______________.
(Choose all that apply)
A. updating
B. viewing
C. deleting
D. inserting
E. truncating

124. Which four statements correctly describe functions that are available in SQL?
(Choose four)

A. INSTR returns the numeric position of a named character
B. NVL 2 returns the first non-null expression in the expression list.
C. TRUNCATE rounds the column, expression, or value to n decimal places
D. DECODE translates an expression after comparing it to each search value
E. TRIM trims the leading or trailing characters (or both) from a character string.
F. NVL compares two expressions and returns null if they are equal, or the first expression if
they are not equal.
G. NULLIF compares two expressions and returns null if they are equal, or the first
expression if they are not equal.

125. The EMPLOYEES table has these columns:

COMMISSION_PCT NUMBER (5, 2)

You want to display the name and annual salary multiplied by the commission_pct for all
employees. For records that have a NULL commission_pct, a zero must be displayed
against the calculated column. Which SQL statement displays the desired results?

A. SELECT last_name, (salary*12)* commission_Pct FROM EMPLOYEES;
B. SELECT last_name, (salary*12)* IFNULL(commission_pct,0) FROM EMPLOYEES;
C. SELECT last_name, (salary*12)* NVL2(commission_pct,0) FROM EMPLOYEES;
D. SELECT last_name, (salary*12)* NVL(commission_pct,0) FROM EMPLOYEES;

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126. Which two statements is true regarding the ORDER BY clause? (Choose two)

A. The sort is in ascending order by default
B. The sort is in descending order by default
C. The ORDER BY clause must precede the WHERE clause.
D. The ORDER BY clause is executed on the client side
E. The ORDER BY clause comes last in the SELECT statement
F. The ORDER BY clause is executed first in the query execution.

127. Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS
tables. ORDERS
ORD_ID ORD_DATE CUST_ID ORD_TOTAL

100 12.JAN.2000 15 10000
101 09.MAR.2000 40 8000
102 09.MAR.2000 35 12500
103 15.MAR.2000 15 12000
104 25.JUN.2000 15 6000
105 18.JUL.2000 20 5000
106 18.JUL.2000 35 7000
107 21.JUL.2000 20 6500
108 04.AUG.2000 10 8000

CUSTOMERS
CUST_ID CUST_NAME CITY
10 Smith Los Angeles
15 Bob San Francisco
20 Martin Chicago
25 Mary New York
30 Rina Chicago
35 Smith New York
40 Linda New York

Which SQL statement retrieves the order ID, customer ID, and order total for the orders
that are placed on the same day that Martin paced his orders?

A. SELECT ord_id, cust_id, ord_total FROM orders, customers WHERE cust_name='Martin'
AND ord_date IN ('18-JUL-2000'; 21-JUL-2000');
B. SELECT ord_id, cust_id, ord_total FROM orders WHERE ord_date IN (SELECT
ord_date FROM orders WHERE cust_id=(SELECT cust_id FROM customers WHERE
cust_name= 'Martin'));
C. SELECT ord_id, cust_id, ord_total FROM orders WHERE ord_date IN (SELECT ord_date
FROM orders, customers WHERE cst_name='Martin');
D. SELECT ord_id, cust_id, ord_total FROM orders WHERE cust_id IN (SELECT cust_id
FROM customers WHERE cust name = 'Martin')

128. Evaluate the SQL statement:
SELECT a.emp_name, a.sal, a.dept_id, b.maxsal FROM employees a, (SELECT dept_id,
MAX (sal) maxsal 4 FROM employees GROUP BY dept_id) b WHERE a.dept_id = b.dept_id
AND a.sal<b.maxsal;
What is the result of the statement?

36 of 57 1Z0-007 Q1

A. The statement produces an error at line1.
B. The statement produces an error at line3.
C. The statement produces an error at line6.
D. The statement returns the employee name, salary, department ID, and maximum salary
earned in the department of the employee for all departments that pay less salary than
the maximum salary aid in the company.
E. The statement returns the employee name, salary, department ID, and maximum
salary earned in the department of the employee for all employees who earn less
than the maximum salary in their department.

129. Click the Exhibit button and examine the data in the EMPLOYEES and
DEPARTMENTS tables.
EMPLOYEES
EMP_ID EMP_NAME DEPT_ID MGR_ID JOB_ID SALARY
101 Smith 20 120 SA_REP 4000
102 Martin 10 105 CLERK 2500
103 Chris 20 120 IT ADMIN 4200
104 John 30 108 HR_CLERK 2500
105 Diana 30 108 IT_ADMIN 5000
106 Smith 40 110 AD_ASST 3000
108 Jennifer 30 110 HR_DIR 6500
110 Bob 40 EX_DIR 8000
120 Ravi 20 110 SI_DIR 6500

DEPARTMENTS

DEPARTMENT_ID DEPARTMENT NAME
10 Admin
20 Education
30 IT
40 Human Resources

Also examine the SQL statements that create the EMPLOYEES and DEPARTMENTS tables:

CREATE TABLE departments (department_id NUMBER PRIMARY KEY, department_name
VARCHAR2 (30));

CREATE TABLE employees (EMPLOEE_ID NUMBER PRIMARY KEY, EMP_NAME
VARCHAR2 (20), DEPT_ID NUMBER REFERENCES departments (department_id) MGR_ID
NUMBER REFERENCES employees (employee id), JOB_ID VARCHAR2 (15). SALARY
NUMBER);

On the EMPLOYEES table, EMPLOYEE_ID is the primary key MGR_ID is the ID of mangers and
refers to the EMPLOYEE_ID DEPT_ID is foreign key to DEPARTMENT_ID column of the
DEPARTMENTS table

On the DEPARTMENTS table, DEPARTMENT_ID is the primary key. Examine this DELETE
statement: DELETE FROM departments WHERE department id=40;

What happens when you execute the DELETE statement?

A. Only the row with department ID 40 is deleted in the DEPARTMENTS table.

37 of 57 1Z0-007 Q1

B. The statement fails because there are child records in the EMPLOYEES table with
department ID 40.
C. The row with department ID 40 is deleted in the DEPARTMENTS table. Also the rows
with employee IDs 110 and 106 are deleted from the EMPLOYEES table.
D. The row with department ID 40 is deleted in the DEPARTMENTS table. Also the rows
with employee IDs 106 and 110 and the employees working under employee 110 are
deleted from the EMPLOYEES table.
E. The row with department ID 40 is deleted in the DEPARTMENTS table. Also all the rows
in the EMPLOYEES table are deleted.
F. The statement fails because there are no columns specified in the DELETE clause of the
DELETE statement.

130. Mary has a view called EMP_DEPT_LOC_VU that was created based on the
EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to
Scott on this view. Which option enables Scott to eliminate the need to qualify the view
with the name MARY.EMP_DEPT_LOC_VU each time the view is referenced?

A. Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command
CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can
prefix the columns with this synonym
B. Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command
CREATE SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix
the columns with this synonym.
C. Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command
CREATE LOCAL SYNONYM EDL_VU FOR mary.emp dept_LOC_uv; then he can prefix
the columns with the synonym.
D. Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command
CRETE LOCAL SYNONYM EDL_VU ON Mary(EMP_DEPT_LOC_VU); then he can
prefix the columns with this synonym
E. Scott cannot create a synonym because synonyms can be created only for tables.
F. Scott cannot create any synonym for Mary's view. Mary should create a private synonym
for the view and grant SELECT privilege on that synonym to Scott.

131. Which SQL statement defines a FOREIGN KEY constraint on the DEPT NO column of
the EMP table?

A. CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno
NUMBER(7,2) NOT NULL, CONSTRAINT emp_deptno_fk FOREIGN KEY deptno
REFERENCES dept deptno);
B. CREATE TABLE EMP (empno NUMBER(4), ename VARCHAR2(35), deptno
NUMBER(7,2) CONSTRAINT emp_deptno_fk REFERENCES dept (deptno));
C. CRETE TABLE EM (empno NUMBER(4), ename VARCHAR2(35) deptno NUMBER (7,2)
NOT NULL, CONSTRAINT em_deptno_fk REFERENCES dept (deptno) FOREIGN KEY
(deptno));
D. CREATE TABLE EMP (empno NUMBER (4), ename VARCHAR2(35), deptno
NUMBER(7,2) FOREIGN KEY CONSTRAINT emp deptno fk REFERENCES dept
(deptno));

132. Evaluate the set of SQL statements:

38 of 57 1Z0-007 Q1

CREATE TABLE dept (dept_id NUMBER (2) dname VARCHAR2 (14), Loc VARCHAR2 (13));
ROLLBACK;
DESCRIBE DEPT
What is true about the set?

A. The DESCRIBE DEPT statement displays the structure of the DEPT table
B. The ROLLBACK statement frees the storage space occupied by the DEPT table.
C. The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not
exist
D. The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is
a COMMIT statement introduced before the ROLLBACK statement.

133. Examine the structure of the EMPLOYEES and DEPARTMENTS tables:

EMPLOYEES

EMPLOYEE_ID NUMBER NOT NULL, PRIMARY KEY
SALARY NUMBER
MGR_ID NUMBER References employee ID column
DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID
column of the DEPARTMENT table

DEPARTMENTS
DEPARTMENT_ID NUMBER NOT NULL, Primary key
MGR_ID NUMBER References MGR_ID column of the
EMPLOYEES table
Evaluate this SQL statement;
SELECT employee_id, e.department_id, department_name, salary FROM employees e,
departments d WHERE e. department_id=d.department_id;
Which SQL statement is equivalent to the above SQL statement?

A. SELECT employee_id, department_id, department_name, salary FROM employees
WHERE department_id IN (SELECT department_id FROM departments);
B. SELECT employee_id, department_id, department_name, salary FROM employees
NATURAL JOIN departments d ON e.department_id=d.department_id;
C. SELECT employee_id, department_id, department_name, salary FROM employees
e JOIN departments d ON e.department_id=d.department_id;
D. SELECT employee_id, department_id, department_name, salary FROM employees JOIN
departments USING (e.department_id, d.department_id);

134. Which SQL statement generates the alias Annual Salary for the calculated column
SALARY*12?

A. SELECT ename, salary*12'Annual Salary' FROM employees;
B. SELECT ename, salary* 12 "Annual Salary" FROM employees
C. SELECT ename, salary* 12 AS Annual Salary FROM employees;
D. SELECT ename, salary* 12 AS INITCAP("ANNUAL SALARY") FROM employees

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135. In which scenario would an index be most useful?

A. The indexed column is declared as NOT NULL.
B. The indexed columns are used in the FROM clause
C. The indexed columns are part of an expression
D. The indexed column contains a wide range of values.

136. Which two are attributes of /SQL*Plus? (Choose two)

A. /SQL*Plus commands cannot be abbreviated.
B. /SQL*Plus commands are accesses from a browser.
C. /SQL*Plus commands are used to manipulate data in tables.
D. /SQL*Plus commands manipulate table definitions in the database.
E. /SQL*Plus is the Oracle proprietary interface for executing SQL statements.

Answer: B, E

137. Which three statements about Subqueries are true? (Choose three).

A. A single row subquery can retrieve only one column and one row
B. A single row subquery can retrieve only one row but many columns
C. A multiple row subquery can retrieve multiple rows and multiple columns
D. A multiple row subquery can be compared using the ">" operator
E. A single row subquery can use the IN operator
F. A multiple row subquery can use the "=" operator

138. When should you create a role? (Choose two)

A. to simplify the process of creating new users using the CREATE USER xxx IDENTIFIED
by yyyy statement
B. to grant a group of related privileges to a user
C. When the number of people using the database is very high
D. to simplify the process of granting and revoking privileges
E. To simplify profile maintenance for a user who is constantly traveling.

139. Which clause would you use in a SELECT statement to limit the display to those
employees whose salary is greater than 5000?

A. ORDER BY SALARY > 5000
B. GROUP BY SALARY > 5000
C. HAVING SALARY > 5000
D. WHERE SALARY > 5000

140. Which four are correct guidelines for naming database tables? (Choose four)

A. Must begin with either a number or a letter
B. must be 1-30 characters long

40 of 57 1Z0-007 Q1

C. Should not be an Oracle Server reserved word.
D. must contain only A-Z, a-z, 0-9, _,*, and #
E. must contain only A-Z, a-z, 0-9, _, $, and #
F. must begin with a letter

140. Which two statements about sequences are true? (Choose two)

A. You use a NEXTVAL pseudo column to look at the next possible value that would be
generated from a sequence, without actually retrieving the value.
B. You use a CURRVAL pseudo column to look at the current value just generated
from a sequence, without affecting the further values to be generated from the
sequence.
C. You use a NEXTVAL pseudo column to obtain the next possible value from a
sequence by actually retrieving the value form the sequence
D. You use a CURRVAL pseudo column to generate a value from a sequence that would be
used for a specified database column.
E. If a sequence starting from a value 100 and incremented by 1 is used by more than one
application, then all of these applications could have a value of 105 assigned to their
column whose value is being generated by the sequence.
F. You use a REUSE clause when creating a sequence to restart the sequence once it
generates the maximum value defined for the sequence.

141. Examine the description of the MARKS table:

STD_ID NUMBER (4)
STUDENT_NAME VARCHAR2 (30)
SUBJ1 NUMBER (3)
SUBJ2 NUMBER (3)
SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects
Examine this SELECT statement based on the MARKS table:
SELECT subj1+subj2 total_marks, std_id FROM marks WHERE subj1 > AVG (subj1) AND
subj2 > AVG (subj2) ORDER BY total_marks;
What us the result of the SELECT statement?

A. The statement executes successfully and returns the student ID and sum of all marks for
each student who obtained more than the average mark in each subject.
B. The statement returns an error at the SELECT clause
C. The statement returns an error at the WHERE clause
D. The statement returns an error at the ORDER BY clause

142. You want to display the titles of books that meet these criteria:
1. Purchased before January 21, 2001
2. Price is less than $ 500 or greater than $ 900
You want to sort the result by their date of purchase, starting with the most recently
bought book. Which statement should you use?

A. SELECT book_title FROM books WHERE price between 500 and 900 AND
purchase_date < '21 - Jan-2001' ORDER BY purchase_date;
B. SELECT book_title FROM books WHERE price IN (500, 900) AND purchase_date< '21-
jan-2001' ORDER BY purchase date ASC;

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C. SELECT book_title FROM books WHERE price < 500 OR>900 AND purchase_date
DESC;
D. SELECT Book_title FROM books WHERE price < 500 OR>900 AND
purchase_date<'21-JAN-2001' ORDER BY purchase date DESC;
E. SELECT book_title FROM books WHERE (price< 500 OR price> 900) AND purchase
date> '21 - JAN-2001' ORDER BY purchase date ASC;

143. Click the Exhibit button to examine the structure of the EMPOLOYEES,
DEPARTMENTS and TAX tables.
EMPLOYEES

EMPLOYEE_ID NUMBER NOT NULL primary key
SALARY NUMBER
MGR_ID NUMBER Reference EMPLOYEE_ID Column
DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID TO column
of the DEPARTMENT table

DEPARTMENTS
DEPARTMENT_ID NUMBER NOT NULL primary key
MGR_ID NUMBER Reference MGR_ID column of the
EMPLOYEES table

TAX
MIN_SALARY NUMBER
MAX_SALARY NUMBER
TAX_PERCENT NUMBER
For which situation would you use a nonequijoin query?

A. to find the tax percentage for each of the employees
B. to list the name, job id, and manager name for all the employees
C. to find the name, salary and the department name of employees who are not working
with Smith
D. to find the number of employees working for the Administrative department and earning
less than 4000
E. to display name, salary, manager ID, and department name of all the employees, even if
the employees do not have a department ID assigned

144. Which operator can be used with a multiple row subquery?

A. =
B. LIKE
C. BETWEEN
D. NOT IN
E. Is
F. <>

145. You need to perform certain data manipulation operations through a view called
EMP_DEPT_VU, which you previously created. You want to look at the definition of the
view (the SELECT statement on which the view was created). How do you obtain the
definition of the view?

42 of 57 1Z0-007 Q1

A. Use the DESCRIBE command on the EMP_DEPT VU view
B. Use the DEFINE VIEW command on the EMP_DEPT VU view
C. Use the DESCRIBE VIEW command on the EMP_DEPT VU view
D. Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view
E. Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view
F. Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view

146. Which statement explicitly names a constraint?

A. ALTER TABLE student_grades ADD FOREIGN KEY (student_id) REFERENCES
students (student_id);
B. ALTER TABLE student_grades ADD CONSTRAINT NAME=student_id_fk FOREIGN
KEY (student_id) REFERENCES student(student_id);
C. ALTER TABLE student_grades ADD CONSTRAINT student_id_fk FOREIGN KEY
(student_id) REFERENCES students (student_id);
D. ALTER TABLE student grades ADD NAMED CONSTRAINT student_id_fk FOREIGN
KEY (student_id) REFERENCES students (student_id)
E. ALTER TABLE student grades ADD NAME student_id_fk FOREIGN KEY (student_id)
REFERENCES students (student_id)

147. You need to display the last names of those employees who have the letter "A" as the
second character in their names. Which SQL statement displays the required results?

A. SELECT last_name FROM EMP WHERE last_name LIKE'_A%;
B. SELECT last_name FROM EMP WHERE last name='*A%
C. SELECT last_name FROM EMP WHERE last name ='* _A%;
D. SELECT last_name FROM EMP WHERE last name LIKE '* a%

148. Which two statements about creating constraints are true? (Choose two)
A. Constraint names must start with SYS_C.
B. All constraints must be defined at the column level
C. Constraints can be created after the table is created
D. Constraints can be created at the same time the table is created
E. Information about constraints is found in the VIEW_CONSTRAINTS dictionary view

149. You are granted the CREATE VIEW privilege. What does this allow you to do?

A. create a table view
B. create a view in any scheme
C. create a view in your schema
D. create a sequence view in any schema
E. create a view that is accessible by everyone
F. create a view only if it is based on tables that you created

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150. You created a view called EMP_DEPT_VU that contains three columns from the
EMPLOYEES and DEPARTMENTS tables
EMPLOYEE_ID, EMPLOYEE_NAME AND DEPARTMENT_NAME

The DEPARTMENT_ID column of the EMPLOYEES table is the foreign key to the primary
key DEPARTMENT_ID column of the DEPARTMENTS table.

You want to modify the view by adding a fourth column, MANAGER_Id of NUMBER data
type from the EMPLOYEES table.

How can you accomplish this task?

A. ALTER VIEW emp_dept_vu (ADD manager_id NUMBER),
B. MODIFY VIEW emp_dept_vu (ADD manager_id NUMBER);
C. ALTER VIEW emp_dept_vu AS SELECT employee_id, employee_name
Department_name, manager_id FROM employees e, departments d WHERE
department_id = d.department_id;
D. MODIFY VIEW emp_depat_vu AS SELECT employee_id, employee_name,
Department_name, manager_id FROM employees e, departments d WHERE
e.department_id = d.department_id;
E. CREATE OR REPLACE VIEW emp_dept_vu AS SELECT employee_id, employee_
name, Department_name, manager _id FROM employees e, departments d WHERE
e.department_id=d.department_id;
F. You must remove the existing view first, and then run the CRATE VIEW command with a
new column list to modify a view.

151. Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables:
EMPLOYEES

HIRE_DATE DATE

NEW EMPLOYEES
NAME VARCHAR2 (60)

Which UPDATE statement is valid?

A. UPDATE new_employees SET name=(SELECT last_name|| First_name FROM
employees WHERE employee_id = 180)
B. B. UPDATE new_employees SET name = (SELECT Last_name || first_name FROM
employees) WHERE employee_id = 180
C. C. UPDATE new_employees SET name = (SELECT last_name|| First_name FROM
employees WHERE employee_id = 180 WHERE employee_id = (SELECT employee_id
FROM new employees),
D. D. UPDATE new_employees SET name = (SELECT last name|| First_name FROM
employees WHERE employee_id= (SELECT employee_id WHERE employee_id FROM
new_employees)) WHERE employee_id = 180,

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152. You need to produce a report for mailing labels for all customers. The mailing label
must have only the customer name and address. The CUSTOMER table has these
columns:
CUST_ID NUMBER (4) NOT NULL
CUST_NAME VARCHAR2 (100) NOT NULL
CUST_ADDRESS VARCHAR2 (150)
CUST_PHONE VARCHAR (20)

Which SELECT statement accomplishes this task?

A. SELECT * FROM customers
B. SELECT name, address FROM customers;
C. SELECT id, name, address, phone FROM customers;
D. SELECT cust_name, cust_address FROM customers;
E. SELECT cust_id, cust_name, cust_address, cust_phone FROM customers;

153. Which substitution variable would you use if you want to reuse the variable value
without prompting the user each time?

A. &
B. ACCEPT
C. PROMPT
D. &&

Column name Data type Remarks
EMPOYEE_ID NUMBER NOT NULL, Primary Key
JOB_ID VARCHAR2 (20) NOT NULL
SAL NUMBER
MGR_ID NUMBER References EMPLOYEE_ID column
DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column Of
the DEPARTMENTS table

You need to create a view called EMP_VU that allows the users to insert rows through the
view. Which SQL statement, when used to create the EMP_VU view, allows the users to
insert rows?
A. CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, Department_id FROM
employees WHERE mgr_id IN (102,120);
B. CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, job_id,
Department_id FROM employees WHERE mgr_id IN (102, 120);
C. CREATE VIEW emp_Vu AS SELECT department_id, SUM(sal) TOTAL SAL FROM
employees WHERE mgr_id IN (102, 120) GROUP BY department_id;
D. CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, job_id, DISTINCT
department_id FROM employees

155. What is true about the WITH GRANT OPTION clause?

A. It allows a grantee DBA privileges
B. B. It is required syntax for object privileges
C. It allows privileges on specified columns of tables
D. It is used to grant an object privilege on a foreign key column

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E. It allows the grantee to grant object privileges to other users and roles

156. The STUDENT_GRADES table has these columns
SEMESTER_END DATE
GPA NUMBER (4, 3)
The registrar has asked for a report on the average grade point average (GPA) for students
enrolled during semesters that end in the year 2000. Which statement accomplishes this?

A. SELECT AVERAGE(gpa) FROM student_grades WHERE semester_end > '01-
JAN-2000' and semester end < '31-DEC-2000'
B. SELECT COUNT (gpa) FROM student grades WHERE semester_end > '01-JAN-2000'
and semester end < '31-DEC-2000'
C. SELECT MID (gpa) FROM student_grades WHERE semester_end > '01-JAN-2000' and
semester end < '31-DEC-2000' D. SELECT AVG (gpa) FROM student_grades WHERE
semester_end > '01-JAN-2000' and semester end < '31-DEC-2000'
D. SELECT SUM (gpa) FROM student_grades WHERE semester_end > '01-JAN-2000'
E. SELECT MEDIAN (gpa) FROM student_grades WHERE semester_end > '01-JAN-2000'

157. In which scenario would Top N analysis be the best solution?

A. You want to identify the most senior employee in the company
B. You want to find the manager supervising the largest number of employees
C. You want to identify the person who makes the highest salary of all employees
D. You want to rank the top three sales representatives who have sold the maximum
number of products

158. Click the Exhibit button to examine the data of the EMPLOYEES table.

EMPLOYEES (EMPLOYEE_ID is the primary key.
MGR_ID is the ID of managers and refers to the EMPLOYEE_ID)

EMPLOYEE_ID - EMP_NINE - DEPT_ID - MGR_ID - JOB_ID - SALARY

101 - Smith - 20 - 120 - SA_REP - 4000
102 - Martin - 10 - 105 - CLERK - 2500
103 - Chris - 20 - 120 - IT_ADMIN - 4200
104 - John - 30 - 108 - HR_CLERK - 2500
105 - Diana - 30 - 108 - HR_MGR - 5000
106 - Bryan - 40 - 110 - AD_ASST - 5000
108 - Jennifer - 30 - 110 - HR_DIR - 6500
110 - Bob - 40 - ** - EX_DIR - 8000
120 - Ravi - 20 - 110 - SA_DIR - 6500

Which statement lists the ID, name, and salary of the employee, and the ID and name of
the employee's manager, for all the employees who have a manager and earn more than
4000?

A. SELECT employee_id "Emp_id", emp_name "Employee", salary, employee_id "Mgr_id",
emp_name "Manager" FROM employees WHERE salary > 4000;

46 of 57 1Z0-007 Q1

B. SELECT e.employee_id "Emp_id", e.emp_name "Employee" ,e.salary, m.employee_id
"Mgr_id", m.emp_name "Manager" FROM employees e, employees m WHERE e.mgr_id
= m.mgr_id AND e.salary > 4000;
C. SELECT e.employee_id "Emp_id", e.emp_name "Employee" ,e.salary,
m.employee_id "Mgr_id", m.emp_name "Manager" FROM employees e, employees
m WHERE e.mgr_id = m.employee_id AND e.salary > 4000;
D. SELECT e.employee_id "Emp_id", e.emp_name "Employee" ,e.salary, m.mgr_id
"Mgr_id", m.emp_name "manager" FROM employees e, employees m WHERE e.mgr_id
= m.employee_id AND e.salary > 4000;
E. SELECT e.employee_id "Emp_id", e.emp_name "Employee" ,e.salary, m.mgr_id
"Mgr_id", m.emp_name "Manager" FROM employees e, employees m WHERE
e.employee_id = m.employee_id AND e.salary > 4000;

159. What does the TRUNCATE statement do?

A. removes the table
B. removes all rows from a table
C. shortens the tale to 10 rows
D. removes all columns from a table
E. removes foreign keys from a table

160. The ORDERS table has these columns

ORDER_ID NUMBER (4) NOT NULL
ORDER_TOTAL NUMBER (10, 2)

The ORDERS table tracks the Order number, the order total and the customer to whom the
Order belongs. Which two statements retrieve orders with an inclusive total that ranges
between 100.00 and 200.00 dollars? (Choose Two).

A. SELECT customer_id, order_id, order_total FROM orders RANGE ON order_total (100 AND
2000) INCLUSIVE
B. SELECT customer_id, order_id, order_total FROM orders HAVING order total BETWEEN
100 and 2000
C. SELECT customer_id, order_id, order_total FROM orders WHERE order_total
BETWEEN 100 and 2000
D. SELECT customer_id, order_id, order_total FROM orders WHERE order_total >= 100 and
<=2000
E. SELECT customer_id, order_id, order _total FROM orders WHERE order_total>= 100
and order_total <=2000.

161. The EMPLOYEES table contains these columns:
COMMISSION_PCT NUMBER (6)

You need to write a query that will produce these results:
1. Display the salary multiplied by the commission_pct
2. Exclude employees with a zero commission_pct
3. Display a zero for employees with a null commission value

47 of 57 1Z0-007 Q1

Evaluate the SQL statement:
SELECT LAST_NAME, SALARY * COMMISSION_PCT FROM EMPLOYEES WHERE
COMMISSION_PCT IS NOT NULL;

What does the statement provide?

A. all of the desired results
B. two of the desired results
C. one of the desired results
D. an error statement

162. A subquery can be used to _________.

A. create groups of data
B. sort data in a specific order
C. convert data to a different format
D. retrieve data based on an unknown condition

163. Which clause should you use to exclude group results?

A. WHERE
B. HAVING
C. RESTRICT
D. GROUP BY
E. ORDER BY

164. Scott issues the SQL statements:
CREATE TABLE dept (deptno number (2) dname VARCHAR2 (14) loc VARCHAR2 (13));
GRANT SELECT ON DEPT TO SUE;
If Sue needs to select from Scott's DEPT table, which command should she use?

A. SELECT * FROM DEPT
B. SELECT * FROM SCOTT.DEPT
C. SELECT * FROM DBA.SCOTT.DEPT.
D. SELECT * FROM ALL_USERS WHERE USER_NAME = 'SCOTT' AND TABLE NAME=
'DEPT';

165. Examine the data in the EMPLOYEES and EMP_HIST tables:
EMPLOYEES
EMPLOYEE_IDNAME DEPT_ID MGR_ID JOB_ID SALARY
101 - Smith - 20 - 120 - SA_REP - 4000
102 - Martin - 10 - 105 - CLERK - 2500
103 - Chris - 20 - 120 - IT_ADMIN - 4200
104 - John - 30 - 108 - HR_CLERK - 2500
105 - Diana - 30 - 108 - IT_ADMIN - 5000
106 - Smith - 40 - 110 - AD_ASST - 3000
108 - Jennifer - 30 - 110 - HR_DIR - 6500
110 - Bob - 40 - ** - EX_DIR - 8000
120 - Ravi - 20 - 110 - SA_DIR - 6500

EMP_HIST
EMPLOYEE_ID - NAME - JOB_ID - SALARY
101 - Smith - SA_CLERK - 2000
103 - Chris - IT_CLERK - 22
104 - John - HR_CLERK - 2000

48 of 57 1Z0-007 Q1

106 - Smith - AD_ASST - 3000
108 - Jennifer - HR_MGR – 4500

The EMP_HIST table is updated at the end of every year. The employee ID, name, jobID,
and salary of each existing employee are modified with the latest data. New employee
details are added to the table. Which statement accomplishes this task?

A. UPDATE emp_hist SET employee_id, name, job_id, salary = (SELECT employee_id,
name, job_id, salary FROM employees) WHERE employee_id IN (SELECT employee_id
FROM employees);
B. MERGE INTO emp_hist eh USING employees e ON (eh.employee_id =
e.employee_id) WHEN MATCHED THEN UPDATE SET eh.name = e.name, eh.job_id
= e.job_id, eh.salary = e.salary WHEN NOT MATCHED THEN INSERT VALUES
(e.employee_id, e.name, e.job_id id, e.salary);
C. MERGE INTO emp_hist eh USING employees e ON (eh.employee_id = e.employee_id)
WHEN MATCHED THEN UPDATE emp_hist SET eh.name = e.name, eh.job_id =
e.job_id, eh.salary = e.salary WHEN NOT MATCHED THEN INSERT INTO emp_hist
VALUES (e.employee_id, e.name, e.job_id, e.salary);
D. MERGE INTO emp_hist eh USING employees e WHEN MATCHED THEN UPDATE
emp_hist SET eh.name = e.name, eh.job_id = e.job_id, eh.salary = e.salary WHEN NOT
MATCHED THEN INSERT INTO emp_hist VALUES (e.employee_id, e.name, e.job_id,
e.salary);

166. You need to calculate the total of all salaries in the accounting department. Which
group function should you use?

A. MAX
B. MIN
C. SUM
D. COUNT
E. TOTAL
F. LARGEST

167. The EMP table has these columns:
ENAME VARCHAR2 (35)
HIRE_DATE DATE
Management wants a list of names of employees who have been with the company for
more than five yeas. Which SQL statement displays the required results?

A. SELECT ENAME FROM EMP WHERE SYSDATE-HIRE_DATE>5
B. SELECT ENAME FROM EMP WHERE HIRE_DATE-SYSDATE > 5
C. SELECT ENAME FROM EMP WHERE (SYSDATE-HIRE_DATE)/365 > 5
D. SELECT ENAME FROM EMP WHERE (SYSDATE-HIRE_DATE)* 365 > 5

168. You would like to display the system date in the format *Monday, 01 June, 2001*
Which SELECT statement should you use?

A. SELECT TO_DATE (SYSDATE, 'FMDAY, DD Month, YYYY') FROM dual
B. SELECT TO_CHAR(SYSDATE, 'FMDD, DY Month 'YYY') FROM dual
C. SELECT TO_CHAR(SYSDATE, 'FMDay, DD Month YYYY') FROM dual
D. SELECT TO_CHAR(SYSDATE, 'FMDAY, DDD Month, YYYY') FROM dual

49 of 57 1Z0-007 Q1

E. SELECT TO_DATES(SYSDATE,'FMDY, DDD Month, YYYY') FROM dual


CUSTOMER_NAME VARCHAR2 (100)
CUSTOEMR_PHONE VARCHAR2 (20)

Which statement finds the rows in the CUSTOMERS table that do not have a postal code

A. SELECT customer_id, customer_name FROM customers WHERE postal_code CONTAINS
NULL
B. SELECT customer_id, customer name FROM customers WHERE posta_code='_______'
C. SELECT customer_id, customer_name FROM customers WHERE postal_code IS
NULL
D. SELECT customer_id, customer_name FROM customers WHERE postal code IS NVL
E. SELECT customer_id, customer_name FROM customers WHERE postal_code=NULL

170. You define a multiple-row subquery in the WHERE clause of an SQL query with a
comparison operator"=" What happens when the main query is executed?

A. the main query executes with the first value returned by the subquery
B. the main query executes with the last value returned by the subquery
C. the main query executes with all the values returned by the subquery
D. The main query fails because the multiple-row subquery cannot be used with the
comparison operator.
E. You cannot define multiple-row subquery in the WHERE clause of a SQL query

171. Which three statements correctly describe the functions and use of constraints?
(Choose three)

A. constraints provide data independence
B. constraint make complex queries easy
C. constraints enforce rules at the view level
D. constraints enforce rules at the table level
E. constraints prevent the deletion of a table if there are dependencies
F. constraints prevent the deletion of an index if there are dependencies

172. Which two are character manipulation functions? (Choose two)

A. TRIM
B. REPLACE
C. TRUNC
D. TO_DATE

50 of 57 1Z0-007 Q1

E. MOD
F. CASE

173. Examine the data in the EMPLOYEES table.
EMPLOYEES
EMPLOYEE_ID - EMP_NAME - DEPT_ID - MGR_ID - JOB_ID - SALARY

101 - Smith - 20 - 120 - SA_REP - 4000
102 - Martin - 10 - 105 - CLERK - 2500
103 - Chris - 20 - 120 - IT_ADMIN - 4200
104 - John - 30 - 108 - HR_CLERK - 2500
105 - Diana - 30 - 108 - IT_ADMIN - 5000
106 - Smith - 40 - 110 - AD.ASST - 3000
108 - Jennifer - 30 - 110 - HR_DIR – 6500
110 - Bob - 40 - *** - EK_DIR - 8000
120 - Ravi - 20 - 110 - SA_DIR - 6500

On the EMPLOYEES table,

EMPLOYEE_ID is the primary key.
MGR_ID is the ID of managers and refers to the EMPLOYEE_ID.
The JOB_ID column is a NOT NULL column.

Evaluate this DELETE statement: DELETE employee_id, salary, job_id FROM employees
WHERE dept_id = 90; Why does the DELETE statement fail when you execute it?

A. There is no row with dept_id 90 in the EMPLOYEES table.
B. You cannot delete the JOB_ID column because it is a NOT NULL column.
C. You cannot specify column names in the DELETE clause of the DELETE statement.
D. You cannot delete the EMPLOYEE_ID column because it is the primary key of the table.

174. Which two statements accurately describe a role? (Choose two)

A. a role can be given to a maximum of 1000 users
B. a user can have access to a maximum of 10 roles
C. A role can have a maximum of 100 privileges contained in it.
D. Privileges are given to a role by using the CREATE ROLE statement.
E. A role is a named group of related privileges that can be granted to the user
F. A user can have access to several roles, and several users can be assigned the
same role.

175. You added a PHONE-NUMBER column of NUMBER data type to an existing
EMPLOYEES table. The EMPLOYEES table already contains records of 100 employees.
Now, you want to enter the phone numbers of each of the 100 employees into the table
some of the employees may not have a phone number available. Which data manipulation
operation do you perform?

A. MERGE
B. INSERT
C. UPDATE
D. ADD
E. ENTER
F. You cannot enter the phone number for the existing employee records

51 of 57 1Z0-007 Q1


POSTE_CODE VARCHAR2 (12)

THE CUSTOMER_ID column is the primary key for the table which two statements find the
number of customer? (Choose two.)

A. SELECT TOTAL (*) FROM customers;
B. SELECT COUNT (*) FROM customers;
C. SELECT TOTAL (customer_id) FROM customer;
D. SELECT COUNT(customer_id) FROM customer;
E. SELECT COUNT(customers) FROM customers;
F. SELECT TOTAL (customer_name) FROM customers;

177. in a SELECT statement that includes a WHERE clause, where is the GROUP BY clause
placed statement?

A. immediately after the SELECT clause
B. before the WHERE clause
C. before the FROM clause
D. after the ORDER BY clause
E. after the WHERE clause

178. For which two constrains does the Oracle Server implicitly create a unique index?
(Choose two)

A. NOT NULL
B. PRIMARY KEY
C. FOREIGN KEY
D. CHECK
E. UNIQUE

179. Which / SQL* Plus feature can be used to replace values in the where clause?

A. Substitution variables
B. replacement variables
C. prompt variables
D. instead-of variables
E. This feature cannot be implemented through / SQL*Plus

180. Evaluate the SQL statement:

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SELECT ROUND (TRUNC (MOD (1600, 10),-1), 2) FROM dual;
What will be displayed?

A. 0
B. 1
C. 0.00
D. an error statement


SALARY NUMBER

What is the correct syntax for an inline view?

A. SELECT a last_name, a salary, a department_id, b.maxsal FROM employees a,
(SELECT department_id, max (salary) maxsal FROM employees GROUP BY department_id)b
WHERE a department_id = department-id AND a_salary

Answer: A

EMPLOYEE_ID NUMBER NOT NULL
EMP_ID VARCHAR2 (30)
JOB_ID VARCHAR2 (20) DEFAULT 'SA_REP'
SAL NUMBER
COMM_PCT NUMBER
MGR_ID NUMBER

You need to update the records of employees 103 and 115.
The UPDATE statement you specify should update the rows with the values specified
below:
JOB_ID: Default value specified for this column definition
SAL: maximum salary earned for the job ID SA_REP
COMM_PCT: Default value is specified for the column, the value should be NULL
DEPARTMENT_ID: Supplied by the user during run time through substitution variable
Which UPDATE statement meets the requirements?

A. UPDATE employees SET job_id=DEFAULT AND Sal=(SELECT MAX(sal) FROM
employees WHERE job_id='SA_REP' AND comm_pct=DEFALUT AND department_id
=&did WHERE employee_id IN (103, 115),
B. UPDATE employees SET job_id = DEFAULT AND Sal = MAX(sal) AND comm_pct =
DEFAULT OR NULL AND department _id = & did WHERE employee_id IN (103,115)
AND job_id = 'SA_REP'
C. UPDATE employees SET job_id = DEFAULT Sal = (SELECT MAX (sal) FROM
employees WHERE job_id = 'SA_REP') comm_pct = DEFAULT, department _id =
&did WHERE employee_id IN (103,115)
D. UPDATE employees SET job_id = DEFAULT sal = MAX (sal) comm_pct = DEFAULT
department_id = &did WHERE employee_id IN (103,115) AND job_id = 'SA_REP' E.
UPDATE employees SET job_id = DEFAULT Sal = (SELECT MAX(sal) FROM

53 of 57 1Z0-007 Q1

employees WHERE job_id = 'SA_REP') comm_pct = DEFAULT OR NULL,
department_id = &did WHERE employee_id IN (103,115)

183. Which data dictionary table should you query to view the object privileges granted to
the user on specific columns?

A. USER_TAB_PRIVS_MADE
B. USER_TAB_PRIVS
C. USER_COL_PRIVS_MADE
D. USER_COL_PRIVS

184. Which three are DATETIME data types that can be used when specifying column
definitions? (Choose three)

A. TIMESTAMP
B. INTERVAL MONTH TO DAY
C. INTERVAL DAY TO SECOND
D. INTERVAL YEAR TO MONTH
E. TIMESTAMP WITH DATABASE TIMEZONE

185. Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS
tables.
ORDERS
ORD_ID - ORD_DATE - CUST_ID - ORD_TOTAL

100 - 12.JAN-2000 - 15 - 10000
101 - 09-MAR-2000 - 40 - 8000
102 - 09-MAR-2000 - 35 - 12500
103 - 15-MAR-2000 - 15 - 12000
104 - 25-JUN-2000 - 15 - 6000
105 - 18-JUL-2000 - 20 - 5000
106 - 18-JUL-2000 - 35 - 7000
107 - 21-JUL-2000 - 20 - 6500
108 - 04-AUG-2000 - 10 - 8000
CUSTOMERS
CUST_ID - CUST_NAME - CITY

10 - Smith - Los Angeles
15 - Bob - San Francisco
20 - Martin - Chicago
25 - Mary - New York
30 - Rina - Chicago
35 - Smith - New York
40 - Linda - New York


SELECT * FROM orders WHERE cust_id = (SELECT cust_id FROM customers WHERE
cust_name = 'Smith')

What is the result when the query is executed?

54 of 57 1Z0-007 Q1

A. ORD_ID ORD_DATE CUST_ID ORD_TOTAL 102 09-MAR-2000 35 12500 106 18-
JUL-2000 35 7000 108 04-AUG-2000 10 8000
B. ORD_ID ORD_DATE CUST_ID ORD_TOTAL 102 09-MAR-2000 35 12500 106 18-
JUL-2000 35 7000
C. ORD_ID ORD_DATE CUST_ID ORD_TOTAL 108 04-AUG-2000 10 8000
D. The query fails because the subquery returns more than one row.
E. The query fails because the outer query and the inner query are using different tables.

186. Which syntax turns an existing constraint on?

A. ALTER TABLE table_name ENABLE constraint_name
B. ALTER TABLE table_name STATUS = ENABLE CONSTRAINT constraint_name
C. ALTER TABLE table_name ENABLE CONSTRAINT constraint_name
D. ALTER TABLE table_name STATUS ENABLE CONSTRAINT constraint_name
E. ALTER TABLE table_name TURN ON CONSTRAINT constraint_name
F. ALTER TABLE table_name TURN ON CONSTRAINT constraint_name

187. Which two statements about views are true? (Choose two)

A. A view can be created as read only
B. A view can be created as a join on two or more tables.
C. A view cannot have an ORDER BY clause in the SELECT statement.
D. A view cannot be created with a GROUP BY clause in the SELECT statement.
E. A view must have aliases defined for the column names in the SELECT statement.

188. the database administrator of your company created a public synonym called HR for
the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently
use this table. As a user of the database, you created a table called HR in your schema.
What happens when you execute this query?

SELECT * FROM HR;

A. you obtain the results retrieved from the public synonym HR created by the database
administrator
B. You obtain the results retrieved form the HR table that belongs to your schema.
C. you get an error message because you cannot retrieve from a table that has the same as
a public synonym
D. You obtain the results retrieved from both the public synonym HR and the HR table that
belongs to your schema, as a Cartesian product.
E. You obtain the results retrieved form both the public synonym HR and the HR table that
belongs to your schema, as a FULL JOIN.

189. You need to give the MANAGER role the ability to select from insert into and modify
existing rows in the STUDENT_GRADES table.

Anyone given this MANAGER role should be able to pass those privileges on to others.
Which statement accomplishes this?

55 of 57 1Z0-007 Q1

A. GRANT select, insert, update ON student_grades TO manager;
B. GRANT select, insert, update ON student_grades TO ROLE manager
C. GRANT select, insert, modify ON student_grades TO manager WITH GRANT OPTION;
D. GRANT select, insert, update ON student_grades TO manager WITH GRANT
OPTION
E. GRANT select, insert, update ON student_grades TO ROLE manager WITH GRANT
OPTION;
F. GRANT select, insert, modify ON student_grades TO ROLE manager WITH GRANT
OPTION

190. Which two statements about subqueries are true? (Choose two.)

A. A subquery should retrieve only one row.
B. A subquery can retrieve zero or more rows.
C. A subquery can be used only in SQL query statements.
D. Subqueries CANNOT be nested by more than two levels.
E. A subquery CANNOT be used in an SQL query statement that uses group functions.
F. When a subquery is used with an inequality comparison operator in the outer SQL
statement, the column list in the SELECT clause of the subquery should contain only one
column

191. Ans C

View the image below to examine the structure of the EMPLOYEES, DEPARTMENTS, and LOCATIONS
tables.

Two new departments are added to your company as shown:
DEPARTMENT_ID DEPARTMENT_NAME MGR_ID LOCATION_ID

9998 Engineering 123

9999 Administrative Boston
You need to list the names of employees, the department IDs, the department names, and the cities where
the departments are, even if there are no employees in the departments and even if the departments are not
yet assigned to a location. You need to join the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables to
retrieve this information.

Which statement do you execute to retrieve this information?

A. SELECT e.last_name, d.department_id,
d.department_name, l.city
FROM departments d
RIGHT OUTER JOIN employees e
ON d.department_id = e.department_id
RIGHT OUTER JOIN locations l
ON d.location_id = l.location_id;
B. SELECT e.last_name, d.department_id,

56 of 57 1Z0-007 Q1

FROM departments d
FULL OUTER JOIN employees e
FULL OUTER JOIN locations l
C. SELECT e.last_name, d.department_id,
FROM departments d
LEFT OUTER JOIN employees e
LEFT OUTER JOIN locations l
D. SELECT last_name, department_id,
department_name, city
FROM departments d
NATURAL JOIN employees e
NATURAL JOIN locations l;

192. Ans. D

What is true regarding subqueries?

A. The inner query always sorts the results of the outer query.
B. The outer query always sorts the results of the inner query.
C. The outer query must return a value to the inner query.
D. The inner query returns a value to the outer query.
E. The inner query must always return a value or the outer query will give an error.

192. Ans D

Examine the structure of the EMPLOYEES and DEPARTMENTS tables:

57 of 57 1Z0-007 Q1

EMPLOYEES
EMPLOYEE_ID NUMBER
MANAGER_ID NUMBER
LAST_NAME VARCHAR2(25)

DEPARTMENTS
MANAGER_ID NUMBER
DEPARTMENT_NAME VARCHAR2(35)
LOCATION_ID NUMBER
You want to create a report displaying employee last names, department names, and locations. Which query
should you use?

A. SELECT e.last_name, d. department_name, d.location_id
FROM employees e NATURAL JOIN departments D
USING department_id ;
B. SELECT last_name, department_name, location_id
FROM employees NATURAL JOIN departments
WHERE e.department_id =d.department_id;
C. SELECT e.last_name, d.department_name, d.location_id
FROM employees e NATURAL JOIN departments d;
D. SELECT e.last_name, d.department_name, d.location_id
FROM employees e JOIN departments d
USING (department_id );

193. Ans. E

SELECT LPAD(salary,10,*) FROM EMP WHERE EMP_ID = 1001; If the employee
with the EMP_ID 1001 has a salary of 17000, what is
displayed?

A.
17000.00
B.
17000*****
C.
****170.00
D.
**17000.00
E.
an error statement

194. Ans. C,E

Which two statements are true regarding the default behavior of the ORDER BY clause? (Choose two.)

A. Null values are left out of the sort.
B. Character values are displayed from Z to A.
C. Date values are displayed with the earliest value first.
D. Null values are displayed last for descending sequences.
E. Numeric values are displayed with the lowest values first.

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