Thursday, October 13, 2011
SQL Server Unused Indexes
http://beyondrelational.com/justlearned/posts/727/get-list-of-ununsed-index-and-remove-it.aspx
USE PerformancePortal
GO
DECLARE @dbid INT
SELECT @dbid = DB_ID(DB_NAME())
SELECT OBJECTNAME = OBJECT_NAME(I.OBJECT_ID)
, INDEXNAME = I.NAME
, I.INDEX_ID
FROM SYS.INDEXES I
JOIN SYS.OBJECTS O
ON I.OBJECT_ID = O.OBJECT_ID
WHERE OBJECTPROPERTY(O.OBJECT_ID,'IsUserTable') = 1
AND I.INDEX_ID NOT IN
(
SELECT S.INDEX_ID
FROM SYS.DM_DB_INDEX_USAGE_STATS S
WHERE S.OBJECT_ID = I.OBJECT_ID
AND I.INDEX_ID = S.INDEX_ID
AND DATABASE_ID = @dbid
)
ORDER BY OBJECTNAME
, I.INDEX_ID
, INDEXNAME ASC
GO
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