Frank Kalis


SQLServerCentral Article

Codd's Rules

Frank gives us his take on Codd's Rules. If you're new to databases, this is the core theory that resulted in the development of RDBMS. If you're more experienced with databases, maybe now is a good time to return to the rules to see how you're doing!

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2003-12-10

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Question of the Day

UNISTR Escape

In SQL Server 2025, I run this command:

SELECT UNISTR('*3041*308A*304C\3068 and good night', '*') as "A Classic";
What is returned? (assume the database has an appropriate collation) A: B: C:

See possible answers