Remember the golden rules: the client method invoking the API layer method is the transaction owner, and only the transaction owner should be responsible for rollback.
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2. 事务时间包括从应用程序的声明活动开始，直到一条提交或回滚命令隐式或显式地结束事务为止。
The transaction time includes the time at which an application's statement activity begins until a commit or rollback implicitly or explicitly ends the transaction.
Because you are only interested in viewing the data, you would prefer to do so anonymously, issue a rollback statement immediately after the call to cover your tracks, as shown in Listing 7.
Ten minutes later we were driving through forest along a raised dirt track when a rhino fresh from a wallow climbed onto the road, followed by an equally muddy juvenile two-thirds her size.
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5. 如果发生了错误，catch块可以回滚事务开始以来发生的所有更改，并打印出一条错误消息。
If something goes wrong, the catch block rolls back all changes made since the transaction was started, and then prints out an error message.
This means that, if the failed flag has been set because a message has not been received, we can roll back the transaction and return all of the other messages in the group back to the queue.
After verification, ro-ro passenger ship operational risk assessment index system is complied with the actual situation and supplies a new way for ro-ro passenger ship operations risk assessment.
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10. 拥有22条自动生产设备包括全自动滚扎机，数控切割、冲压、剪板机床；
It has 22 automatic production equipment, including automatic rolling machine, CNC cutting, punching, shearing bed;
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11. 拥有22条自动生产设备包括全自动滚扎机，数控切割、冲压、剪板机床；
It has 22 automatic production equipment, including automatic rolling machine, CNC cutting, punching, shearing bed;
