select username from lh_users where username = insert into lh_users(id,username,emailaddress,password,name) values( , , , , , ) delete from lh_users where id = delete from lh_users_groups where useridfk = delete from lh_projects_users where useridfk = delete from lh_projects_users_email where useridfk = select id, username, emailaddress, password, name from lh_users where id = select username from lh_users where username = and id <> update lh_users set username = , emailaddress = , password = , , name = where id =