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SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED SELECT TOP 20 CAST(qs.total_elapsed_time / 1000000.0 AS DECIMAL(28, 2)) AS [Total Elapsed Duration(s)], qs.execution_count, SUBSTRING (qt.text, (qs.statement_start_offset/2) + 1, ((CASE WHEN qs.statement_end_offset = -1 THEN LEN(CONVERT(NVARCHAR(MAX), qt.text)) * 2 ELSE qs.statement_end_offset END- qs.statement_start_offset)/2) + 1) AS [Individual Query] , qt.text AS [Parent Query] , DB_NAME(qt.dbid) AS [DatabaseName] , qp.query_plan FROM sys.dm_exec_query_stats qs CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) qt CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) qp ORDER BY total_elapsed_time DESC (责任编辑：IT) |