SQL: set existing column as Primary Key in MySQL

Question

I have a database with 3 columns:

id, name, somethingelse  

This table has no index set and i am getting \"No index defined!\" in phpmyadmin

Answer 1

If you want to do it with phpmyadmin interface:

Select the table -> Go to structure tab -> On the row corresponding to the column you want, click on the icon with a key