The put command sends back the contents of the output buffer, but the return statement at the end of main also sends back data; the status generated will be passed back to the PPE.

PUT命令会发回输出缓冲区的内容，但是main末尾的返回语句也会将数据发送回去；所生成的状态会发回给PPE。

youdao

Teams need to be able confirm in an automated fashion that an end-to-end command was correctly processed and that the data was delivered at each middle-tier layer according to expected policies.

团队需要能够以一个自动模式确定一个端到端命令是否被正确处理，以及数据是否依据预期策略在每个中间层传递。

youdao

If the data is issuing a delete command on a database row, make sure that you add limit 1 to the end of your statement to minimize damage.

如果数据是对数据库行发出delete命令，请确保在语句最后添加limit 1，以尽可能减少损失。

youdao