Learn what is the syntax for creating a check constraint in SQL and how to use it to validate your data and enforce data integrity rules ... ALTER TABLE employees DROP CONSTRAINT salary_range; ...

SQL Server 2000I need to change the collation for a database from case senstitive to case insensitive. ALTER DATABASE COLLATE SQL_Latin1_General_CI_AS When I try to so, I get a whole slew of ...

Check constraints are supported in all of the major DBMS products, including DB2, Oracle, and SQL Server. But they are too-often ignored and not implemented in production databases. Properly defined, ...