单项选择题
A.absoluteB.previousC.beforeFirstD.next
A.execute方法B.executeQuery方法C.executeUpdate方法D.getMaxRows方法
A.Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver")B.String strConn="jdbc:sqlserver://LIUZC:1433;DatabaseName=ShopSystem"C.String strUser="sa"D.conn=DriverManager.getConnection(strConn,strUser,strPassword)