Therefore, after initially putting load on your system, or whenever the data volume in the database changes significantly, you should update the statistics by running the DB2 RUNSTATS utility.
因此，当您最开始在系统上加载负载之后，或者无论何时数据库中的数据量剧烈变化，都应该通过运行DB2RUNSTATS 实用程序更新统计数据。
The runstats utility can be used to update statistics in system catalog tables to facilitate the query optimization process.
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.
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。
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