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- SELECT
- migs.avg_total_user_cost * (migs.avg_user_impact / 100.0) * (migs.user_seeks + migs.user_scans) AS improvement_measure,
- 'CREATE INDEX [missing_index_' + CONVERT (VARCHAR, mig.index_group_handle) + '_' + CONVERT (VARCHAR, mid.index_handle)
- + '_' + LEFT (PARSENAME(mid.statement, 1), 32) + ']'
- + ' ON ' + mid.statement
- + ' (' + ISNULL (mid.equality_columns,'')
- + CASE WHEN mid.equality_columns IS NOT NULL AND mid.inequality_columns IS NOT NULL THEN ',' ELSE '' END
- + ISNULL (mid.inequality_columns, '')
- + ')'
- + ISNULL (' INCLUDE (' + mid.included_columns + ')', '') AS create_index_statement,
- migs.*, db_name (mid.database_id) AS dbname, mid.[object_id]
- FROM sys.dm_db_missing_index_groups mig
- INNER JOIN sys.dm_db_missing_index_group_stats migs ON migs.group_handle = mig.index_group_handle
- INNER JOIN sys.dm_db_missing_index_details mid ON mig.index_handle = mid.index_handle
- WHERE migs.avg_total_user_cost * (migs.avg_user_impact / 100.0) * (migs.user_seeks + migs.user_scans) > 10
- ORDER BY migs.avg_total_user_cost * migs.avg_user_impact * (migs.user_seeks + migs.user_scans) DESC
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