A.CREATE PUBLIC SYNONYM cust ON mary.customer B.CREATE PUBLIC SYNONYM cust FOR mary.customer C.CREATE SYNONYM cust ON mary.customer FOR PUBLIC D.不能創(chuàng)建CUSTOMER的公用同義詞
A.FOR INSERT B.FOR UPDATE C.FOR DELETE D.FOR REFRESH
A.授予了CONNECT的角色,但沒(méi)有授予RESOURCE的角色 B.沒(méi)有授予用戶系統(tǒng)管理員的角色 C.數(shù)據(jù)庫(kù)實(shí)例沒(méi)有啟動(dòng) D.數(shù)據(jù)庫(kù)監(jiān)聽(tīng)沒(méi)有啟動(dòng)