索引,表增删改统计,加锁查具体情况(推荐)

 

 
 SELECT databases.name ,
        objects.name ,
        indexes.name ,
        读写比例 = CAST(( range_scan_count + singleton_lookup_count ) AS DECIMAL(18,
                                                              2))
        / CASE WHEN CAST(( leaf_insert_count + leaf_update_count
                           + leaf_delete_count + nonleaf_insert_count
                           + nonleaf_update_count + nonleaf_delete_count ) AS DECIMAL(18,
                                                              2)) = 0 THEN 1
               ELSE CAST(( leaf_insert_count + leaf_update_count
                           + leaf_delete_count + nonleaf_insert_count
                           + nonleaf_update_count + nonleaf_delete_count ) AS DECIMAL(18,
                                                              2))
          END ,
        reads = range_scan_count + singleton_lookup_count ,
        writes = leaf_insert_count + leaf_update_count + leaf_delete_count
        + nonleaf_insert_count + nonleaf_update_count + nonleaf_delete_count ,
        leaf_insert_count ,
        leaf_update_count ,
        leaf_delete_count ,
        nonleaf_insert_count ,
        nonleaf_update_count ,
        nonleaf_delete_count ,
        range_scan_count ,
        singleton_lookup_count ,
        row_count ,
        page_lock_count ,
        partition_stats.row_count ,
        stats.*
 FROM   sys.dm_db_index_operational_stats(7, NULL, NULL, NULL) 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  objects.name NOT LIKE 'sys%'
 ORDER BY row_count DESC

posted @ 2012-03-30 09:37  qanholas  阅读(352)  评论(0编辑  收藏  举报