Nov 6, 2025 · There are several ways to delete duplicate rows in SQL. Here, we will explain five methods to handle this task effectively. 1. Using GROUP BY and COUNT () Use the GROUP …

The easiest solution may just be set rowcount 1 delete from t1 where col1=1 and col2=1 as seen here. This answer will only delete the rows that has duplicates in col1. Add the columns in the …

SQL delete duplicate rows Deleting duplicate rows in a database table is a common task in SQL, and it’s important for maintaining data integrity. Duplicate rows can occur for various reasons, …

In this article, we explored the process of SQL delete duplicate rows using various ways such as T-SQL, CTE, and SSIS package. You can use the method in which you feel comfortable.

Jan 10, 2025 · This article provides a script that you can use to remove duplicate rows from a SQL Server table.

Dec 6, 2023 · The most common way to remove duplicate rows from our query results is to use the DISTINCT clause. The simplest way to use this is with the DISTINCT keyword at the start …

Oct 22, 2025 · Remove duplicate rows in SQL databases with simple queries. Easy methods and examples to ensure data accuracy and better performance.

Jun 27, 2025 · In this tutorial, we’ll explore different methods to delete all the identical rows in SQL. Note that before executing any DELETE statement on the database, make sure to back …

Oct 29, 2024 · SQL Remove Duplicates: Comprehensive Methods and Best Practices Explore the different methods for filtering out and permanently removing duplicate rows using SQL. Learn …

Jul 25, 2025 · This post delves into various proven methods for eliminating duplicate rows, providing practical SQL code examples and explanations for each approach. A widely adopted …