【C12】A．alternatedB．modifiedC．refinedD．deleted

删除视图myview的命令是（）。A.DELETE myviewB.DELETE VIEW myviewC.DELETE VIEW myviewD.REMOVE

【C12】A．subjectB．subjectiveC．objectsD．objectives

【C7】A．deletedB．modifiedC．pastedD．remedied

A．so－calledB．registeredC．refinedD．classical

【C12】A．theB．aC．anD．／

以下删除记录正确的( ) A.delete from emp where name=dony; B.Delete * fr