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Barking, Essex, United Kingdom
MCITP DBA ,MCITP BI & Oracle OCP 11G

Wednesday, February 18, 2015

Drop the unused index

-- Unused Index Script
-- Original Author: Pinal Dave (C) 2011
SELECT TOP 25
o.name 
AS ObjectName, i.name AS IndexName, i.index_id AS IndexID, dm_ius.user_seeks AS UserSeek, dm_ius.user_scans AS UserScans, dm_ius.user_lookups AS UserLookups, dm_ius.user_updates AS UserUpdates, p.TableRows, 'DROP INDEX ' + QUOTENAME(i.name)
+ 
' ON ' + QUOTENAME(s.name) + '.' +QUOTENAME(OBJECT_NAME(dm_ius.OBJECT_ID)) AS 'drop statement'FROM sys.dm_db_index_usage_stats dm_iusINNER JOIN sys.indexes i ON i.index_id = dm_ius.index_id ANDdm_ius.OBJECT_ID = i.OBJECT_IDINNER JOIN sys.objects o ON dm_ius.OBJECT_ID = o.OBJECT_IDINNER JOIN sys.schemas s ON o.schema_id = s.schema_idINNER JOIN (SELECT SUM(p.rows) TableRows, p.index_id, p.OBJECT_IDFROM sys.partitions p GROUP BY p.index_id, p.OBJECT_ID) pON p.index_id = dm_ius.index_id AND dm_ius.OBJECT_ID = p.OBJECT_IDWHERE OBJECTPROPERTY(dm_ius.OBJECT_ID,'IsUserTable') = 1AND dm_ius.database_id = DB_ID()
AND 
i.type_desc = 'nonclustered'AND i.is_primary_key = 0AND i.is_unique_constraint = 0ORDER BY (dm_ius.user_seeks + dm_ius.user_scans + dm_ius.user_lookups)ASCGO

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