System page-level sampling is similar to row-level sampling, except that the pages are sampled and not rows.

系统页级抽样与行级抽样类似，除了抽样的对象是页面而不是行。

youdao

System page-level sampling is similar to row-level sampling, except that the pages are sampled and not rows.

系统页级抽样与行级抽样类似，除了抽样的对象是页面而不是行。

youdao