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 );
Regexp в запросах mariadb
SELECT * FROM `userboard_usersactions`
where `dopinfo` REGEXP BINARY '^[А-Яа-яЁё]{8}\ \ \ Email'
ORDER BY `id` DESC
Выборка сообщений start
SELECT text,CONCAT('https://vk.com/id', vkuser) AS vklink FROM `msg_message`
LEFT JOIN msg_user ON msg_message.author_id = msg_user.id
WHERE time > 2024-01-01 AND (text LIKE '%продвижение' OR text LIKE '%сео' OR text LIKE '%директ')
INTO OUTFILE '/seo.csv'
FIELDS TERMINATED BY ';'
ENCLOSED BY '"'
LINES TERMINATED BY '\n';