How can I drop multiple primary keys in phpmyadmin tables?

Question

I am working with phpmyadmin.I created a table with one primary key and 5 fields. But now all the integer fields have turned into a primary key. I tried using drop command but i

Answer 1

You may have indexed a column as a FOREIGN KEY, in this cas you should delete this index and then you will be able to modify or delete your PRIMARY KEY.