MissingIndex.sql

--http://blogs.msdn.com/b/bartd/archive/2007/07/19/are-you-using-sql-s-missing-index-dmvs.aspx
--http://infostart.ru/public/128175/

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

MissingIndex2.sql

SELECT      [РекомендуемыйИндекс]=
'-- CREATE INDEX [DTA_' + OBJECT_NAME(mid.object_id) + '_' +
CAST(mid.index_handle AS nvarchar) + '] ON ' +
mid.statement + ' (' + ISNULL(mid.equality_columns,'') +
', ' + ISNULL(mid.inequality_columns,'') +
') INCLUDE (' + ISNULL(mid.included_columns,'') + ');',
[ЧислоКомпиляций] = migs.unique_compiles,
[КоличествоОперацийПоиска] = migs.user_seeks,
[КоличествоОперацийПросмотра] = migs.user_scans,
[СредняяСтоимость] = CAST(migs.avg_total_user_cost AS int),
[СреднийПроцентВыигрыша] = CAST(migs.avg_user_impact AS int),
[ТаблицаИндекса] = OBJECT_NAME(mid.object_id)
FROM sys.dm_db_missing_index_groups mig
JOIN sys.dm_db_missing_index_group_stats migs
ON   migs.group_handle = mig.index_group_handle
JOIN sys.dm_db_missing_index_details mid
ON   mig.index_handle = mid.index_handle
AND  mid.database_id = DB_ID()