IBM Books

Create Table -- Check Constraints

Use the Check Constraints page of the Create Table notebook to define check constraints for the table that you're creating. A check constraint sets restrictions on data added to the table. Check constraints are enforced when rows in the table are inserted or updated.

You can add new check constraints to your table and change or remove the new check constraints. After the table is created, you must use the Alter function to add, change, or remove check constraints.
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