sql: 无用表清理
2021/9/6 19:09:16
本文主要是介绍sql: 无用表清理,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
SELECT s.Name AS SchemaName, t.Name AS TableName, p.rows AS RowCounts, DT.UID_DialogTable, CAST(ROUND((SUM(a.used_pages) / 128.00), 2) AS NUMERIC(36, 2)) AS Used_MB, CAST(ROUND((SUM(a.total_pages) - SUM(a.used_pages)) / 128.00, 2) AS NUMERIC(36, 2)) AS Unused_MB, CAST(ROUND((SUM(a.total_pages) / 128.00), 2) AS NUMERIC(36, 2)) AS Total_MB, 'exec sp_rename '''+t.name+''',''TASK_'+t.name+''';' rename_SQL, 'exec sp_rename ''TASK_'+t.name+''','''+t.name+''';' rollback_SQL, 'drop table TASK_'+t.name+';' dropSQL --'exec sp_rename '''+t.name+''','''+substring(t.name,10,100)+''';' rollback_SQL, --'drop table '+t.name+';' dropSQL FROM sys.tables t INNER JOIN sys.indexes i ON t.OBJECT_ID = i.object_id INNER JOIN sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id INNER JOIN sys.allocation_units a ON p.partition_id = a.container_id INNER JOIN sys.schemas s ON t.schema_id = s.schema_id left Join DialogTable as DT on DT.TableName = t.Name where DT.TableName is null and t.name not in ( -- can not delete 'QBMDBQueueOverview_fix','QBMDBQueueSlot_fix','QBMDBQueueTaskPerf_fix', --high risk '_dbqueueprocessingstatus','CCC_MKO_LatencyHistory','DeletedMailboxUpdates','MR_AS_Test_AccProductTS','MR_DialogHlpCollAfterDirectOBJ','MR_DialogHlpCollAfterIndOBJ','MR_DialogHlpCollBeforeTotalOBJ','MR_DialogHlpDBSchedulerParam','MRPermissionSPforCS' ) GROUP BY t.Name, s.Name, p.Rows, DT.UID_DialogTable ORDER BY s.Name, t.Name;
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