單項(xiàng)選擇題關(guān)閉數(shù)據(jù)庫(kù)連接的方法是()

A.Connection對(duì)象的commit()
B.Connection對(duì)象的setAutoCommit()
C.Connection對(duì)象的rollback()
D.Connection對(duì)象的close()


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1.單項(xiàng)選擇題提交事物的方法是()

A.Connection對(duì)象的commit()
B.Connection對(duì)象的setAutoCommit()
C.Connection對(duì)象的rollback()
D.Connection對(duì)象的close()

2.單項(xiàng)選擇題關(guān)閉自動(dòng)提交模式的方法是()

A.Connection對(duì)象的commit()
B.Connection對(duì)象的setAutoCommit()
C.Connection對(duì)象的rollback()
D.Connection對(duì)象的close()

3.單項(xiàng)選擇題回滾事務(wù)的方法是()

A.Connection對(duì)象的commit()
B.Connection對(duì)象的setAutoCommit()
C.Connection對(duì)象的rollback()
D.Connection對(duì)象的close()

5.單項(xiàng)選擇題能執(zhí)行預(yù)編譯SQL的是()

A.Connection對(duì)象
B.Statement對(duì)象
C.ResultSet對(duì)象
D.PreparedStatement對(duì)象