A.數(shù)據(jù)庫 B.數(shù)據(jù)庫管理系統(tǒng) C.數(shù)據(jù)庫系統(tǒng) D.數(shù)據(jù)庫應(yīng)用系統(tǒng)
A.DB B.DBMS C.DBS D.DBA