This blog will help user learn how to avoid the duplicate entries in the database. Storing duplicate values in the table must be avoided while inserting data in the database table. As these duplicate ...

MySQL table primary keys and unique indexes prevent multiple rows with the same index from being added to the table. If you try to insert a duplicate row with a ...

Hello readers!. If you having the much of redundant/duplicate data growing in your database you can delete it with just a single query as I wrote here. Let say I have a table Address and want to ...

This blog was originally published in January 2023 and was updated in April 2024. MySQL index is a data structure used to optimize the performance of database queries at the expense of additional ...