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  • 索引使用情况

    SELECT  objects.name ,
            databases.name ,
            indexes.name ,
            user_seeks ,
            user_scans ,
            user_lookups ,
            partition_stats.row_count
    FROM    sys.dm_db_index_usage_stats stats
            LEFT JOIN sys.objects objects ON stats.object_id = objects.object_id
            LEFT JOIN sys.databases databases ON databases.database_id = stats.database_id
            LEFT JOIN sys.indexes indexes ON indexes.index_id = stats.index_id
                                             AND stats.object_id = indexes.object_id
            LEFT  JOIN sys.dm_db_partition_stats partition_stats ON stats.object_id = partition_stats.object_id
                                                                  AND indexes.index_id = partition_stats.index_id
    WHERE   1 = 1
    --AND databases.database_id = 7
            AND objects.name IS NOT NULL
            AND indexes.name IS NOT NULL
            AND user_scans>0
    ORDER BY user_scans DESC ,
            stats.object_id ,
            indexes.index_id
            
     

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  • 原文地址:https://www.cnblogs.com/qanholas/p/2421344.html
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