Anvesh Patel shows how to remove find duplicate rows using ROW_NUMBER() and then delete them in a statement:
Recently, I got one request for one script to delete duplicate records in PostgreSQL.
Most of the Database Developers have such a requirement to delete duplicate records from the Database.
Like SQL Server, ROW_NUMBER() PARTITION BY is also available in PostgreSQL.
Click through for separate solutions for MySQL, SQL Server, and Postgres.