This article is half-done without your Comment! *** Please share your thoughts via Comment ***
In this post, I am sharing a script to find missing indexes in SQL Server.
When you execute any SQL query, SQL Server also checks for necessary indexes.
But still DBA has to take a decision based on query execution planner. SQL Server stores this different stats into three Dynamic main views which used in below queries.
|
1 2 3 4 5 6 7 8 9 10 11 12 |
SELECT TOP 25 ROUND(DMIGS.avg_total_user_cost * DMIGS.avg_user_impact * (DMIGS.user_seeks + DMIGS.user_scans),0) AS TotalCost ,DMID.[statement] AS TableName ,equality_columns ,inequality_columns ,included_columns FROM sys.dm_db_missing_index_groups AS DMIG INNER JOIN sys.dm_db_missing_index_group_stats AS DMIGS ON DMIGS.group_handle = DMIG.index_group_handle INNER JOIN sys.dm_db_missing_index_details AS DMID ON DMID.index_handle = DMIG.index_handle ORDER BY 1 DESC |
