阅读背景:

sqlserver2008 查看数据库自带的索引建议

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SELECT 

        [Total Cost]  = ROUND(avg_total_user_cost * avg_user_impact * (user_seeks + user_scans),0) 

        , avg_user_impact

        , TableName = statement

        , [EqualityUsage] = equality_columns 

        , [InequalityUsage] = inequality_columns

        , [Include Cloumns] = included_columns

FROM        sys.dm_db_missing_index_groups g 

INNER JOIN    sys.dm_db_missing_index_group_stats s 

       ON s.group_handle = g.index_group_handle 

INNER JOIN    sys.dm_db_missing_index_details d 

       ON d.index_handle = g.index_handle

ORDER BY [Total Cost] DESC;
SELECT 

        [Total Cost]  = ROUND(avg_



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