SQL语言中,能正确实现级联删除的命令的是()。A.ONDELETE CASCADESB.ONDELETE RESTRICTEDC.ONDELET
SQL语言中,能正确实现级联删除的命令的是()。
A.ONDELETE CASCADES
B.ONDELETE RESTRICTED
C.ONDELETE NULLIFIES
D.ONDELETE DEFAULT
SQL语言中,能正确实现级联删除的命令的是()。
A.ONDELETE CASCADES
B.ONDELETE RESTRICTED
C.ONDELETE NULLIFIES
D.ONDELETE DEFAULT
SQL语言中,能正确实现级联删除的命令是
A.ON DELETE CASCADES
B.ON DELETE RESTRICTED
C.ON DELETE NULLIFIES
D.ON DELETE DEFAULT
在SQL语言中,能正确实现级联删除的命令是()。
A.ON DELETE CASCADES
B.ON DELETE RESTRICTED
C.ON DELETE NULLIFIES
D.ON DELETE DEFAULT
SQL语言中,级联删除的短语是()。
A.WHEN DELETE RESTRICT
B.ON DELETE RESTRICT
C.0N DELETE SET NULL
D.0N DELETE CASCADE
SQL语言中,删除一个表的命令是
A.DELETE
B.DROP
C.CLEAR
D.REMOVE
在SQL语言中,删除一个表的命令是()。
A.DROPTABLE
B.ALTERTABLE
C.CREATETABLE
D.DELETETABLE
在SQL语言中,删除基本表的命令是(22),修改表中数据的命令是(23)。
A.DESTROY TABLE
B.REMOVE TABLE
C.DELETE TABLE
D.DROP TABLE
在SQL语言中,删除表命令的关键词是()。
A)DELETE
B)DROP
C)CREATE
D)SELECT