Undo/Redo协议 恢复管理机制在事务各操作阶段的动作: (1) 事务开始( BEGIN Transaction):触发数据库管理系统的 一些管理功能,如将信事务加入现行活跃事务队列,在日志上开 设一个新表项。
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在该订单处理时,另一个事务开始取消某些变更。
While that order is processing, another transaction is started to cancel some of the changes.
新的事务开始运行时,发出XA_OPEN,并建立一个连接。
An XA_OPEN is issued on the start of the new transaction and a connection is established.
结果,智能文档可能是从事务开始到存档时整个事务的记录。
As a result, an Intelligent Document can be the record of a transaction from the time it is initiated until it is archived.
Not just that, but the moral certainties that may have seemed distinct when we contrasted the ethereal heaven with the spotty and the imperfect nature of Satan and of the moon -those, too begin to seem fairly hazy.
不仅如此,其中看起来有所不同的,当我们对比天堂和撒旦与月亮的不完美时,其中道德的确定性,-那些令人模糊朦胧的事务,也开始崩塌。
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