create user to mysql.user code example
Example 1: mysql add user with all privileges
CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON * . * TO 'newuser'@'localhost';
FLUSH PRIVILEGES;
Example 2: mysql create user
CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';
#grant permissions to a specic database and/or table
GRANT ALL PRIVILEGES ON database.table TO 'newuser'@'localhost';
#Or grant wildcar permission to any DB/table
GRANT ALL PRIVILEGES ON *.* TO 'newuser'@'localhost';