By using cascading referential integrity constraints, you can define the actions that SQL Server 2005 takes when a user tries to delete or update a key to which existing foreign keys point. Skip ...

constraint-name is the name for the constraint being specified. order-by-item See ORDER BY Clause. query-expression See query-expression. referential-action specifies the type of action to be ...

Oracle Rdb SQL Statement ; RDBCONST=ON : SET DEFAULT CONSTRAINTS ON: RDBCONST=OFF : SET DEFAULT CONSTRAINTS OFF: The default setting is RDBCONST=OFF. This causes the constraint evaluation to be ...