====== SQL ======

==== Создать пользователя с паролем и дать доступ к базе ====

  CREATE DATABASE IF NOT EXISTS my_db CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
  CREATE USER 'new_user'@'localhost' IDENTIFIED BY 'new_password';
  GRANT ALL ON my_db.* TO 'new_user'@'localhost';
  FLUSH PRIVILEGES;


==== Найти пользователей без профиля ====

  SELECT * FROM `auth_user` 
    WHERE not EXISTS (SELECT * FROM userprofile_userprofile WHERE userprofile_userprofile.user_id=auth_user.id );


  SELECT * FROM `auth_user` 
  WHERE id NOT IN (SELECT user_id FROM userprofile_userprofile)
  ORDER BY `id`  ASC    

==== Удалить пользователей без профиля ====

  DELETE FROM `auth_user` 
    WHERE not EXISTS (SELECT * FROM userprofile_userprofile WHERE userprofile_userprofile.user_id=auth_user.id );