Filtered Indexes
Create filtered indexes - SQL Server - Microsoft Learn
This article describes how to create a filtered index using SQL Server Management Studio (SSMS) or Transact-SQL.
Introduction to SQL Server Filtered Indexes - SQLShack
A SQL Server filtered index is a non-clustered index that allows us to apply specific conditions to cover a subset of rows in the table. Such as ...
What You Can (and Can't) Do With Filtered Indexes
What You Can do in a Filtered Index… · Use equality or inequality operators, such as =, >=, <, and more in the WHERE clause. · Use IN to create an index for a ...
Filtered Indexes: Just Add Includes - Brent Ozar Unlimited®
The solution was to put the filtered column in the include list. This lets SQL generate statistics on the column, and much like getting rid of the predicate key ...
SQL Server filtered index with multiple columns in where clause
I have a scenario where a filtered index is to be created on a table say Table1 with columns A, B, C. The condition when the index has to be applied is if any ...
Introduction to SQL Server Filtered Indexes - Redgate Software
Filtered indexes are nonclustered indexes that have the addition of a WHERE clause. Although the WHERE clause in a filtered index allows only simple predicates,
Filtered Indexes in SQL Server - C# Corner
Filtered Indexes in SQL Server · A Filtered Index is created on the columns of a specified table, whereas Index Views can be created on column(s) ...
SQL Server Filtered Indexes - MSSQLTips.com
SQL Server 2008 introduces Filtered Indexes which is an index with a WHERE clause. For example, you have a lot of NULL values in a column ...
Filtered Indexes in SQL Server - What Are They and Why ... - YouTube
This video introduces Filtered Indexes in SQL Server. We go through the use case and then dive into a demo of creating a filtered index.
SQL Scripts: How To Find Filtered Indexes
Below is a simple query that will provide a list of filtered indexes, with the schema and table, as well as the actual filter used in the index.
Filtered Indexes and INCLUDEd Columns - SQLPerformance.com
INCLUDEs aren't critical for filtered indexes. They're useful for providing easy access to columns which might be useful for your query, and if ...
Understanding Filtered Indexes in SQL Server | Performance Tuning
In this tutorial we look at filtered indexes in SQL server. We create them with the INCLUDE clause and see when they are and are not used, ...
Filtered Indexes and Performance - IderaBlog
Filtered Index is a new feature in SQL SERVER. A Filtered Index serves to index a portion of rows in a table. This technique applies a filter on ...
SQL Server Filtered Index Example
Filtered indexes are just like regular, non-clustered SQL Server indexes except that they only contain a subset of rows from the table rather ...
Any benefit to having multiple filtered indexes? - DBA Stack Exchange
I have 97 different filtered indexes on (StateCode, ActivityId) where the only difference is the where clause on (ActivityTypeCode=(_some_value_)).
SQL 'FILTERED INDEX' Statement: A Complete Guide - Reintech
A filtered index is a potent tool in SQL that can drastically improve query performance, particularly when dealing with large amounts of data.
Filtered indexes: Performance analysis and hidden costs - SQLShack
A filtered index does not work in reverse: It is necessary to verify columns in the WHERE clause, even if no updates are required. The cost to ...
Filtered Indexes - Simple Partitioning without Enterprise Edition?
Standard Edition uses filtered indexes automatically, unlike indexed views and the unavailable partitioning feature.
SQL: Filtered indexes in SQL Server can be wonderful but be careful
These indexes are often much smaller and can also be much faster, but it's really important that you're very, very careful when using them.
Is there a way to dynamically update filtered indexes? : r/SQLServer
One thing I have been curious about though is if it's possible to dynamically drop and recreate a filtered index (ie update the date in the where clause).