可以使用一个userexit程序来自动从源数据库不断获取非活动日志文件。
A userexit program can be used to automate the continuous retrieval of the inactive log files from the source database.
尽管数据库系统这么好，但是如果不把非活动的旧数据与活动的当前应用程序数据隔离开，应用程序的性能最终会恶化。
However good the database system is, if there is no provision for separating old and inactive data from current, active application data, application performance will eventually deteriorate.
因此，管理调度程序将保持非活动状态，直至指定时间。
Therefore, the administrative schedules defined will stay inactive until the time comes.
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