Registration and Login Script in PHP

CREATE TABLE members (
  member_id int(10) unsigned NOT NULL auto_increment,
  first_name varchar(100) NOT NULL,
  last_name varchar(100) NOT NULL,
  email_address varchar(100) NOT NULL,
  date_registered datetime NOT NULL,
  last_accessed datetime NOT NULL,
  password char(32) NOT NULL,
  profile_name varchar(30) NOT NULL,
  PRIMARY KEY  (member_id)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;