add permissions mysql user code example
Example 1: mysql users and permissions
SELECT * FROM information_schema.user_privileges;
SELECT CONCAT('SHOW GRANTS FOR ''',user,'''@''',host,''';') FROM mysql.user;
GRANT SELECT, UPDATE ON db_name.table_name TO 'my_user'@'localhost';
GRANT SELECT ON *.* TO 'my_user'@'localhost';
GRANT ALL PRIVILEGES ON db_name.* TO 'my_user'@'localhost';
SHOW GRANTS FOR 'my_user'@'localhost';
Example 2: mysql user permission database
GRANT ALL PRIVILEGES ON `db_name`.* TO 'user'@'host'