Phase 2, commit: If all of the resources are ready, they all commit — after which the old data is deleted and the transaction can no longer roll back.
第2阶段，提交：如果所有的资源都准备就绪，则全部进行提交——在旧数据删除且事务不再回滚之后进行。
If the transaction in one resource commits successfully but another fails and must roll back, the first transaction can no longer be rolled back, so the state of the application becomes inconsistent.
如果一个资源中的事务成功提交，而另一个资源中的事务提交失败且必须回滚，那么第一个事务将不再回滚，这将使应用程序的状态不一致。
If both of these parameters are de-selected, roll-forward recovery becomes unavailable for the database because logs will no longer be retained.
如果取消选择这两个参数，就不能对数据库进行前滚恢复，因为将不再保留日志。
When you no longer need the ability to roll back the broker, you can delete the broker's system database, unless it is still required for user data.
如果您不再需要回滚代理的功能，那么可以在系统数据库不储存用户数据时删除它。
If you hear love songs on the radio, they no longer make you roll your eyes.
如果听到电台情歌，你不再流露出不屑的表情。
Plate is no longer a low-grade commodity product that anybody with a big mill can roll.
中板不再是任何人都可以使用大型轧机就能轧制的低级商业产品。
Plate is no longer a low-grade commodity product that anybody with a big mill can roll.
中板不再是任何人都可以使用大型轧机就能轧制的低级商业产品。
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