A.oledb services=-4 B.pooling=false C.oledb pooling=false D.connection lifetime=-1
參考下列語句: 問,上述語句創(chuàng)建了幾個連接池來管理這些Sqlconnection對象?()
A.1 B.2 C.3 D.4
A.rows B.columns(列) C.constraints D.dataset