Checks

A check constraint is the most generic constraint type. It allows you to specify that the value in a certain column must satisfy a Boolean (truth-value) expression.

Checks are managed on the Checks tab of the Table Designer. Just simply click/double-click a check field for editing. Using the toolbar below, allowing you to create new, edit and delete the selected check field.

Add Check

To add a check

Edit Check

To edit a check

Delete Check

To delete a check


See also:
Setting Check Name and Expression