How to assign a name to Check Constraint on existing tables?

 Posted by vishalneeraj-24503 on 9/1/2014 | Category: Sql Server Interview questions | Views: 1339 | Points: 40

We can refer below script.
We have to use Constraint keyword in case of Sql Server,Oracle and MS-Access.
Alter Table Employee_Master

Add Constraint ck_employee Check([PAN_Number] Is Not Null)

Here,ck_employee will be used as a constraints name.

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