Dave's Brain

Browse - computer tips - mysql add primary key to table

Date: 2010mar12

Q.  How can I add a primary key to a MySQL table?

A.  Use this SQL:

	ALTER TABLE mytable ADD COLUMN id INT NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST;
What this info useful to you? You can donate to say thanks

Add a comment

Sign in to add a comment
Copyright © 2008-2012, dave - Code samples on Dave's Brain is licensed under the Creative Commons Attribution 2.5 License. However other material, including English text has all rights reserved.
Advertisements: