Zmień tabelę mysql
ALTER TABLE contacts
ADD last_name varchar(40) NOT NULL
AFTER contact_id,
ADD first_name varchar(35) NULL
AFTER last_name;
Ugliest Unicorn
ALTER TABLE contacts
ADD last_name varchar(40) NOT NULL
AFTER contact_id,
ADD first_name varchar(35) NULL
AFTER last_name;ALTER TABLE `employees`CHANGE `emp_id` `emp_id` int(11) NULL;ALTER TABLE nom_table
DROP nom_colonne