[SQL][MySQL] Change the size of a column in a mysql table

ALTER TABLE <table_name> MODIFY <col_name> VARCHAR(<new_size>);

<---- change the text in red to your own-text

example:

ALTER TABLE users MODIFY twitter_handle VARCHAR(100);

It means changing the column(username) in table(users),  size to 100,

After input "ALTER TABLE users MODIFY twitter_handle VARCHAR(100);":