并针对传统查询优化器对于大规模海量数据统计信息更新不及时的问题，设计了一种基于分区技术的统计方法。

Focus on problem of statistics of query optimizer on update, we design a statistics method based on partition technique.

youdao

并针对传统查询优化器对于大规模海量数据统计信息更新不及时的问题，设计了一种基于分区技术的统计方法。

Focus on problem of statistics of query optimizer on update, we design a statistics method based on partition technique.

youdao