Paweł Domański
32 lines
1.3 KiB
Transact-SQL
32 lines
1.3 KiB
Transact-SQL
-- Missing Index Script
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-- Original Author: Pinal Dave
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SELECT TOP 25
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dm_mid.database_id AS DatabaseID,
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dm_migs.avg_user_impact*(dm_migs.user_seeks+dm_migs.user_scans) Avg_Estimated_Impact,
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dm_migs.last_user_seek AS Last_User_Seek,
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OBJECT_NAME(dm_mid.OBJECT_ID,dm_mid.database_id) AS [TableName],
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'CREATE INDEX [IX_' + OBJECT_NAME(dm_mid.OBJECT_ID,dm_mid.database_id) + '_'
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+ REPLACE(REPLACE(REPLACE(ISNULL(dm_mid.equality_columns,''),', ','_'),'[',''),']','')
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+ CASE
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WHEN dm_mid.equality_columns IS NOT NULL
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AND dm_mid.inequality_columns IS NOT NULL THEN '_'
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ELSE ''
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END
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+ REPLACE(REPLACE(REPLACE(ISNULL(dm_mid.inequality_columns,''),', ','_'),'[',''),']','')
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+ ']'
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+ ' ON ' + dm_mid.statement
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+ ' (' + ISNULL (dm_mid.equality_columns,'')
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+ CASE WHEN dm_mid.equality_columns IS NOT NULL AND dm_mid.inequality_columns
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IS NOT NULL THEN ',' ELSE
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'' END
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+ ISNULL (dm_mid.inequality_columns, '')
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+ ')'
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+ ISNULL (' INCLUDE (' + dm_mid.included_columns + ')', '') AS Create_Statement
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FROM sys.dm_db_missing_index_groups dm_mig
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INNER JOIN sys.dm_db_missing_index_group_stats dm_migs
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ON dm_migs.group_handle = dm_mig.index_group_handle
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INNER JOIN sys.dm_db_missing_index_details dm_mid
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ON dm_mig.index_handle = dm_mid.index_handle
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WHERE dm_mid.database_ID = DB_ID()
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ORDER BY Avg_Estimated_Impact DESC
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GO |