这里只重点介绍其中一些工具：常见的数据移动和数据维护实用工具。
Only a few tools have been highlighted: common data movement utilities and data maintenance utilities.
消息引擎持有独占锁的结果在于，数据库维护实用工具无法以首选的方式运行，该方式旨在对数据库中的所有表进行维护。
The result of the messaging engine holding an exclusive lock was that the database maintenance utilities could not be run in the preferred manner, which was to do so for all tables in the database.
不幸的是，这种经常性地关机行为会为Linux系统带来问题，因为Linux使用称为Cron的实用工具在后台运行日常的维护作业。
Unfortunately, such periods of computer inactivity cause problems for Linux, which USES a utility called Cron to run routine maintenance tasks in the background.
应用推荐