A.2 B.7 C.12 D.8
A.REMOVE B.DELETE C.RECYCLE D.REMOVE TABLE
A.只是打開數(shù)據(jù)庫設(shè)計(jì)器,禁止對數(shù)據(jù)庫進(jìn)行修改 B.打開數(shù)據(jù)庫設(shè)計(jì)器,并且可以對數(shù)據(jù)庫進(jìn)行修改 C.在數(shù)據(jù)庫設(shè)計(jì)器打開后程序繼續(xù)執(zhí)行 D.打開數(shù)據(jù)庫設(shè)計(jì)器后應(yīng)用程序會暫停