A.msbase.jar B.msdriver.jar C.mssqlserver.jar D.msutil.jar
A.對數(shù)據(jù)庫操作一定要驅動程序 B.對數(shù)據(jù)庫操作一定要DriverManager.getConnection C.對數(shù)據(jù)庫操作一定要ResultSet對象 D.以上說明都不正確
A.CONCUR_WRITE_ONLY B.CONCUR_READ_ONLY C.CONCUR_UPDATABLE D.以上都不是