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Mysql select with WHERE (a, b) in (('str1', 'str2'), ...., ('str6000', 'str6000')) taking 30 seconds to execute My SQL Select Performance Bottleneck Why Your Query Takes 30 Seconds You re experiencing a common My SQL performance issue slow query execution with a WHERE IN 2 min read 01-09-2024 42
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Elapsed Time in QEP returned from sys.dm_exec_query_plan_stats is different from the one in Actual Execution Plan returned by SSMS Unraveling the Mystery of Discrepant Elapsed Times in SQL Server Query Plans Understanding the execution time of your SQL queries is crucial for optimizing perf 2 min read 31-08-2024 52