after create a user user prirviledges 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: how to add privilege in mysql user
CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';