SQL Server Unused Indexes: sys.dm_db_index_usage_stats
Apr 1, 2026 / · 7 min read · sql server performance sql scripts sys.dm_db_index_usage_stats index maintenance database administration nonclustered indexes query tuning maintenance scripts indexes ·Find Unused Nonclustered Indexes in SQL Server This script queries sys.dm_db_index_usage_stats to identify nonclustered indexes that have never been used by any read operation since the last SQL Server restart, yet still carry write overhead with every INSERT, UPDATE, and DELETE on the table. Purpose and Overview Every …
Read MoreSQL Server Missing Indexes Report: dm_db_missing_index
Feb 28, 2026 / · 6 min read · sql server missing indexes performance dm db missing index details dm db missing index group stats index tuning dba scripts query optimization sys.dm_db_index_usage_stats sys.dm_db_missing_index_details sys.dm_db_missing_index_group_stats sys.dm_db_missing_index_groups sys.index_columns sys.indexes ·SQL Server tracks index recommendations automatically as queries execute, storing them in the missing index DMVs. This T-SQL script queries those views to produce a ranked report of missing indexes, ordered by the estimated improvement they would provide, along with a ready-to-run CREATE INDEX statement for each …
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