grant a user in all databases mysql code example

Example 1: mysql create user

CREATE USER 'user'@'localhost' IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON * . * TO 'user'@'localhost';
FLUSH PRIVILEGES;

Example 2: mysql grant all privileges to user from any host

GRANT ALL PRIVILEGES ON database_name. * TO 'username'@'localhost';

Example 3: create user mysql

CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';