Each row in the SYSCHECK system view provides the definition for a named check constraint in a table. The underlying system table for this view is ISYSCHECK.
Column name | Column type | Column constraint |
---|---|---|
check_id | UNSIGNED INT | NOT NULL |
check_defn | LONG VARCHAR | NOT NULL |
check_id A number that uniquely identifies the constraint in the database.
check_defn The CHECK expression.
PRIMARY KEY (check_id)
FOREIGN KEY (check_id) references SYS.ISYSCONSTRAINT (constraint_id)