可以使用runstats实用程序来更新系统编目表中的统计信息，使查询优化过程更容易一些。
The runstats utility can be used to update statistics in system catalog tables to facilitate the query optimization process.
RUNSTATS实用程序用于更新系统目录表中的统计信息，以帮助查询优化过程。
The RUNSTATS utility updates statistics in the system catalog tables to help with the query optimization process.
RUNSTATS实用程序用于更新系统目录表中的统计信息，以帮助查询优化过程。
The RUNSTATS utility updates statistics in the system catalog tables to help with the query optimization process.
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