MySQL arrange existing table columns

Question

How can I change the position of a certain existing column in MySQL table?

Ex: I want to move the column username from its current position to

Answer 1

You can change the order of columns if you like.

If your username column is varchar(255) then:

alter table `mytable` 
change column username username varchar(255) after `somecolumn`;

If it helps to better read a table definition, then why not?