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 ...

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 on your tables.

If CHECK constraint is added using ALTER TABLE statement, row_count should be incremented. Note that row_count does not increase if CHECK constraint is created during the execution of CREATE TABLE ...

* Unique Constraint >>>> It will not allow the duplicate values and it will allow only one null value. >>>> We can apply this constraint Columns level & Table level >>>> We can add the unique ...

SQL CHECK Constraint syntax:- The following SQL creates a CHECK constraint on the "employee_Id" column. The CHECK constraint describe that the column "employee_Id" should only have values those are ...