注意，已调优的过程就不会因为没有在外部检查先决条件而失败，因为过程体中会重复这个检查。

Note that the tuned procedure does not fail if the precondition is not checked outside, since the check is repeated in the body of the procedure.

youdao

应当解释已发现的有问题的sql语句，以便为特定的调优需求显示访问计划。

The identified problematic SQL statements should be explained to show the access plan for any needed, specific tuning.

youdao

回调函数可以读取保存在已命名内存中的记录(7)并将每条记录写入一个文件(8)。

The callback function can read the records that were saved in named memory (7) and write each record to a file (8).

youdao