Deleting Duplicate Data
In most cases, you don’t want duplicate rows in your database. The best practice is to set up your insert process so that data that is already in your tables aren’t added again, but what if that horse has left that barn and you already have duplicates?
In this post, we’ll show you how you remove duplicate data in your MySQL databases.
At a Glance
There are just a few necessary steps when removing duplicate data from your table:
Back up your ...