Description of the illustration sqld_add_check_constraint.gif

This screenshot shows the Edit Table dialog box in SQL Developer. In the Schema field, HR is selected. In the Name field, PURCHASE_ORDERS is entered. In the Table Type field, Normal is selected. Under the Search field, Constraints is selected. In the Constraints section to the right of the Search field, the Check constraint has a name of PO_CHECK_RCVD_DATE. A check mark appears in the Enabled column for the check constraint, and a value of Not Deferrable appears in the Deferrable State column for the check constraint. In the Check Condition section below the Constraints section, the text PO_DATE_RECEIVED >= PO_DATE appears.