Home > DeveloperSection > Interviews > What is the difference between a check constraint and a rule?

Posted on    March-15-2014 7:17 AM

 MSSQL Server MSSQL Server 
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Sumit Kesarwani

Total Post:782

Posted on    March-15-2014 12:00 AM

Check constraints and rules limit the range of values that a user can enter into a column. Whereas check constraints apply only to the table for which you enter them, you can apply rules to multiple tables.

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