The SYSSTAT schema contains a small number of updatable views that are based on the system catalog tables.
SYSSTAT模式包含少量的基于系统编目表的可更新视图。
One set of read-only views is created under the SYSCAT schema, and a smaller set of updatable views is created under the SYSSTAT schema.
其中一组只读视图在 SYSCAT 模式下创建，另一组更小的可更新视图则是在 SYSSTAT 模式下创建的。
These updatable views allow you to update certain statistical information to investigate the performance of a hypothetical database, or to update statistics without using the RUNSTATS utility.
这些可更新的视图允许更新某些统计信息，从而研究假想数据库的性能，或者更新统计信息而不使用RUNSTATS实用程序。
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