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索引,表增删改统计,加锁查具体情况(推荐)

發布時間:2025/4/16 编程问答 16 豆豆
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?

?
?SELECT databases.name ,
??????? objects.name ,
??????? indexes.name ,
??????? 讀寫比例 = 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

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