How to remove Duplicate Data in SQL

In this video, we see 10 different ways to remove duplicate records in SQL. We look at 2 different scenario for duplicate records in a table and then come up with 10 SQL queries to remove these duplicate data from the database.

Data can be consider as duplicate if all column values are duplicated or if only some of the column values are duplicated. In this video, you will get solution to remove duplicate data for both these scenarios.

Download the scripts, dataset and sql queries used in this video here:

Watch the YouTube video here:

Previous
Previous

Solving SQL Interview Query | Ungroup given input data

Next
Next

SQL Interview Assignment Queries - Part 2 (Query Solution)