SQL Server Performance Tuning: How Filtered Indexes Drastically Improve Query Performance
SQL Server Performance Tuning: How Filtered Indexes Drastically Improve Query Performance Hi Guys, I am back! Today we’re diving into a powerful SQL Server performance tuning technique that can drastically reduce logical reads, optimize execution plans, and significantly improve query performance in real-world production environments. If you are working with Microsoft SQL Server and struggling with slow queries, high logical reads, or inefficient execution plans, this advanced SQL Server performance tuning technique can dramatically improve query performance. In this article, we will analyze how Filtered Indexes in SQL Server can reduce I/O, optimize execution plans, and significantly boost OLTP performance. What Is a Filtered Index in SQL Server? A Filtered Index is a nonclustered index that includes only a subset of rows defined by a WHERE clause. Unlike traditional indexes that include all rows of a table, filtered indexes: Reduce index size Improve statistics ...