事务（Transaction)是一个______。A．程序B．进程C．操作序列D．完整性规则

启动一个显式事务的语句为__________，提交事务的语句为__________，回滚事务的语句为_________

Besides, you need to protect your password, because all the transaction _______ throug

He was such a______merchant that he always made a substantial profit in each transaction.A

The online-transaction system has been first applied to the administration of______ in U.K

They resigned______take part in such a dishonest transaction.A．instead ofB．other thanC．in

He was such a______merchant that he always made a substantial profit in each transaction.A