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How SQL execution orders varies across databases
Dec. 7, 2023, 4:55 a.m. | Tobi Sam
Towards Data Science - Medium towardsdatascience.com
How SQL Execution Orders Varies Across Databases
Why you can’t GROUP BY ordinal positions in SQL Server but can in others
After working regularly with open-source databases such as MySQL and PostgreSQL, I recently had the chance to work on a SQL Server project and discovered a subtle but important difference in the SQL landscapes. I observed that in SQL Server, I was unable to GROUP BY ordinal positions (GROUP BY 1, …
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