XML index in SQL Server關於「When to use filtered index in SQL Server」標籤，搜尋引擎有相關的訊息討論：
Filtered index vs normal non clustered index - Stack Overflowstackoverflow.com › questions › filtered-index-vs-normal-...Introduction to SQL Server Filtered Indexes - Redgate Softwarewww.red-gate.com › sql-server › performance-sql-serverWhat You Can (and Can't) Do With Filtered