Adding an Identity (Auto-Increment) to an Existing Column in MySQL

To add an identity property to an existing column in MySQL, you need to use the ALTER TABLE statement along with the MODIFY clause. Here’s the basic Syntax:

ALTER TABLE your_table

MODIFY COLUMN your_column INT AUTO_INCREMENT;

• your_table: Replace this with the name of the table containing the column you want to modify.
• your_column: Specify the name of the existing column to which you want to add the identity property.

Adding an identity (auto-increment) property to an existing column in MySQL is a common task when you want to assign unique values automatically. This feature is particularly useful for maintaining unique identifiers in a table. In this guide, we will explore the syntax, and usage, and provide examples of how to add an identity to an existing column in MySQL.

In this article, we will explore the topic of how we can add an identity to an existing column in MySQL. using the same method and with the help of syntax and working examples.