Sql joins
- 2. 2 SQL JOINS Inner Join Outer Join Cross Join
- 3. 3 SQL JOINS I.INNER JOIN Inner join returns only those records that match in both the tables. Syntax: Select * from table 1 INNER JOIN table 2 ON Table 1.Column 1=table 2.Column 1
- 4. 4 SQL JOINS Select * from CountryStatus Inner Join PRODUCTS ON CountryStatus.ProductID=PRODUCTS.ProductID Result: QUARY:
- 5. 5 SQL JOINS II.OUTER JOIN Outer Joins are three types a. Right Outer Join b. Left Outer Join c. Full Outer join
- 6. 6 SQL JOINS a. Right Outer Join Right outer join returns all records/rows from right table and from left table returns only matched records. Syntax: Select * from Table 1 Right Outer Join Table 2 ON Table 1.Column 1=Table 2.Column 1
- 7. 7 SQL JOINS QUARY: Select * from CountryStatus Right Outer Join PRODUCTS ON CountryStatus.ProductID=PRODUCTS.ProductID RESULT:
- 8. 8 SQL JOINS b. Left Outer Join Left outer join returns all records/rows from left table and from right table returns only matched records. Syntax: Select * from Table 1 Left Outer Join Table 2 ON Table 1.Column 1=Table 2.Column 1
- 9. 9 SQL JOINS RESULT: QUARY: Select * from CountryStatus Left Outer Join PRODUCTS ON CountryStatus.ProductID=PRODUCTS.ProductID
- 10. 10 SQL JOINS c. Full Outer Join Full outer join combines left outer join and right outer join. This join returns all records/rows from both the tables. Syntax: Select * from Table 1 Full Outer Join Table 2 ON Table 1.Column 1=Table 2.Column 1
- 11. 11 SQL JOINS QUARY: Select * from CountryStatus Full Outer Join PRODUCTS ON CountryStatus.ProductID=PRODUCTS.ProductID RESULT:
- 12. 12 SQL JOINS III. Cross Join This join returns records/rows that are multiplication of record number from both the tables means each row on left table will related to each row of right table. Syntax: Select * from Table 1 Cross Join Table 2
- 13. 13 SQL JOINS QUARY: Select * from CountryStatus Cross Join PRODUCTS RESULT:
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