 Delete all duplicate rows in SQL

ID: delete-all-duplicate-rows-in-sql

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Delete all duplicate rows in SQL by

Ciro Santilli 37  Updated 2025-06-17  +Created 1970-01-01

SQLite with rowid: stackoverflow.com/questions/8190541/deleting-duplicate-rows-from-sqlite-database
- PostgreSQL is ctid: stackoverflow.com/questions/14626481/rowid-equivalent-in-postgres-9-2
SQL Server has crazy "CTEs" change backing table extension: stackoverflow.com/questions/18390574/how-to-delete-duplicate-rows-in-sql-server

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