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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.*,
- mid.database_id, 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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