A.ON DELETE CASCADES
B.ON DELETE RESTRICTED
C.ON DELETE NULLIFIES
D.ON DELETE DEFAULT
[单选题]在SQL语言中,能正确实现级联删除的命令是( )。A.ONDELETE CASCADESB.ONDELETE RESTRICTEDC.ONDELETE NULLIFIESD.ONDELETE DEFAULT
[单选题]SQL语言中,能正确实现级联删除的命令是A.ON DELETE CASCADESB.ON DELETE RESTRICTEDC.ON DELETE NULLIFIESD.ON DELETE DEFAULT
[单选题]SQL语言中,能正确实现级联删除的命令的是( )。A.ONDELETE CASCADESB.ONDELETE RESTRICTEDC.ONDELETE NULLIFIESD.ONDELETE DEFAULT
[单选题]SQL语言中,级联删除的短语是( )。A.WHEN DELETE RESTRICTB.ON DELETE RESTRICTC.0N DELETE SET NULLD.0N DELETE CASCADE
[单选题]SQL语言中,级联删除的短语是A.WHEN DELETE RESTRICTB.ON DELETE RESTRICTC.ON DELETE SET NULLD.ON DELETE CASCADE
[单选题]SQL语言中,删除记录的命令是()A . DELETEB . DROPC . CLEARD . REMOVE
[单选题]在SQL语言中,删除表中数据的命令是()。A . DELETEB . DROPC . CLEARD . REMORVE
[单选题]在SQL语言中,删除一个表的命令是A.DELETEB.DROPC.CLEARD.REMOVE
[单选题]在SQL语言中,删除一个表的命令是()。A.DROPTABLEB.ALTERTABLEC.CREATETABLED.DELETETABLE
[单选题]在SQL语言中,删除一个表的命令是A.DELETEB.]DROPC.CLEARD.REMOVE