When a transaction containing DML on a tracked table commits, this process stores the pre-image of the rows into the Flashback Data Archive.
当在被追踪的表上面发生了dml事务的时候，这个进程存储行的前镜像到闪回数据归档里面。
This data initializes the transaction table, dirty pages table, and open file table so they can be used in the recovery process.
这些数据将初始化事务表、脏页表和打开文件表，以便它们能够用于恢复过程。
In transactions, the middleware USES 3-step handshake method, asynchronous process and confirm procedure (not the previous reverse table) to ensure the completeness of the transaction.
记账交易采用三次握于，使用确认过程，取消原来应用中的待冲正表，交易完整性由此中间件保证，记账程序采用异步处理方式。
In transactions, the middleware USES 3-step handshake method, asynchronous process and confirm procedure (not the previous reverse table) to ensure the completeness of the transaction.
记账交易采用三次握于，使用确认过程，取消原来应用中的待冲正表，交易完整性由此中间件保证，记账程序采用异步处理方式。
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