How to add an auto-increment column in MySQL?

In MySQL, you can use the AUTO_INCREMENT keyword to set a column to automatically increment.

First, create a table that includes an auto-increment column.

Create a table with the specified name, including a column with the specified data type and auto-increment.

When inserting data using an insertion statement, there is no need to specify the value for the auto-increment column. MySQL will automatically generate a unique increment value for it.

Insert the values (value1, value2, …) into the table with the column names (column1, column2, …).

Note: When using the AUTO_INCREMENT keyword, make sure to set the auto-increment column as a primary key or unique key to ensure each row has a unique value.

Also, if you need to retrieve the value of an automatically generated auto-increment column, you can use the LAST_INSERT_ID() function.

Retrieve the most recent auto-generated ID.