A.223.5 B.32768 C.-345 D.58345
A、.ndf B、.mdf C、.ldf D、.rdf
A.數(shù)據(jù)定義B.查詢C.數(shù)據(jù)修改、刪除D.綁定到數(shù)據(jù)庫(kù)