Home > DeveloperSection > Interviews > What is NOT NULL Constraint?

Posted on    March-15-2014 7:18 AM

 MSSQL Server MSSQL Server 
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Sumit Kesarwani

Total Post:782

Posted on    March-15-2014 12:00 AM

 A NOT NULL constraint enforces that the column will not accept null values. The not null constraints are used to enforce domain integrity, as the check constraints.

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