If a database has many views, especially views with sortable column headings, this structure can use a substantial amount of disk space.
如果数据库有许多视图，尤其是如果有许多带有可排序的列标题的视图，则该结构会占用大量磁盘空间。
If a database has many views, especially views with sortable column headings, this structure can use a substantial amount of disk space.
如果数据库有许多视图，尤其是如果有许多带有可排序的列标题的视图，则该结构会占用大量磁盘空间。
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