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_________

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

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

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

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

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

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一个事务中所有对DB的操作是一个不可分割的操作序列 这个性质称为事务的______。A.孤立性B.独立性

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