However, when high performance is required, materialized views are created to de-normalize the data.

不过，当要求实现更高的性能时，则需要创建物化视图来反规范化(de - normalize)数据。

youdao

However, when high performance is required, materialized views are created to de-normalize the data.

不过，当要求实现更高的性能时，则需要创建物化视图来反规范化(de - normalize)数据。

youdao