Remove Duplicate Rows in SQL

Mehrdad Mansourdehghan
Sep 1, 2024
1 min read

In this video, you'll learn how to select a database, review and analyze data, and identify duplicate entries using SQL. I'll show you step-by-step how to create a unique identifier by concatenating country and year columns, detect duplicates, and remove them using SQL partitioning and Common Table Expressions (CTEs). If you're looking to master SQL and data-cleaning techniques, this video is for you.

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Remove Duplicate Rows in SQL

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