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Delete Duplicate Rows in SQL with ROW_NUMBER() and DELETE JOIN Methods | Ashok IT School posted on the topic | LinkedIn

Delete Duplicate Rows in SQL with ROW_NUMBER() and DELETE JOIN Methods | Ashok IT School posted on the topic | LinkedIn

💡 SQL Interview / Real-Time Question:👉 How do you delete duplicate rows from a table while keeping only one copy?Here’s the clean SQL solution 👇 Method 1: Using ROW_NUMBER() (Best & Recommended)(Works in SQL Server, PostgreSQL, Oracle, MySQL 8 )WITH duplicates AS ( SELECT *, ROW_NUMBER() OVER ( PARTITION BY column1, column2, column3 ...

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