A、A. ALTER TABLE table_name ENABLE constraint_name;
B、B. ALTER TABLE table_name STATUS = ENABLE CONSTRAINT constraint_name;
C、C. ALTER TABLE table_name ENABLE CONSTRAINT constraint_name;
D、D. ALTER TABLE table_name STATUS ENABLE CONSTRAINT constraint_name;
E、E. ALTER TABLE table_name TURN ON CONSTRAINT constraint_name;
更多“Which syntax turns an existing constraint on?（）”相关的问题
A、ALTER TABLE table_name ENABLE constraint_name; B、ALTER TABLE table_name STATUS = ENABLE CONSTRAINT constraint _ name; C、ALTER TABLE table_name ENABLE CONSTRAINT constraint _ name; D、ALTER TABLE table_name TURN ON CONSTRAINT constraint _ name;
A、ALTER TABLE table_name ENABLE constraint_name; B、ALTER TABLE table_name STATUS = ENABLE CONSTRAINT constraint _ name; C、ALTER TABLE table_name ENABLE CONSTRAINT constraint _ name; D、ALTER TABLE table_name TURN ON CONSTRAINT constraint _ name;
A、A.be turned by a turning gear for at least one minute B、B.be turned by a turning gear for at least two minutes C、C.be turned at least one complete turn D、D.be turned at least two complete turns
A、Turn off MST (802.1s) on all switches. B、Turn on MST (802.1s) on all switches. C、Turn on RSTP (802.1w) on all switches. D、Turn off RSTP (802.1w) on all switches.
A、A round turn on the bitt farthest from the strain and then figure eights B、A round turn on the bitt closest to the strain and then figure eights C、Figure eights and then a round turn at the top of both bitts D、Only figure eights are necessary on both bitts
客服
TOP
查看正确答案
