AUTO_INCREMENT

AUTO_INCREMENT

Status
Done

(show you how to use an AUTO_INCREMENT column to generate unique numbers automatically for the primary key)

Introduction to MySQL AUTO_INCREMENT attribute

In MySQL, you use the AUTO_INCREMENT attribute to automatically generate unique integer values for a column whenever you insert a new row into the table. Typically, you use the AUTO_INCREMENT attribute for the primary key column to ensure each row has a unique identifier.

Creating a table with MySQL AUTO_INCREMENT column

Inserting rows with AUTO_INCREMENT column

Retrieving the last auto-increment value

Resetting the current auto-increment value

Adding an AUTO_INCREMENT column to an existing table