更新目录统计信息，这部分强调收集和维护最新数据库统计信息的重要性，缺少这项工作常常是导致许多性能问题的源头所在。

Updating catalog statistics, which emphasizes the importance of collecting and maintaining up-to-date database statistics, the lack of which is often the source of many of the performance problems.

youdao

拟订保险行业统计制度，建立和维护保险行业数据库；

To formulate statistical rules of insurance sector, establish and maintain the database of the insurance sector;

youdao

此建议提供一个 RUNSTATS 作业，您也许会想要将其定期包含在您的维护循环中，以维护相关统计数据。

The recommendation provides a RUNSTATS job that you might want to include periodically in your maintenance cycle to maintain the health of the relevant statistics.

youdao