MySQL User

Create a user

For local mysql access

CREATE USER 'USERNAME-HERE'@'localhost' IDENTIFIED BY 'PASSWORD_HERE';
GRANT ALL PRIVILEGES ON DB_NAME_HERE.* TO 'USERNAME-HERE'@'localhost';
FLUSH PRIVILEGES;

To allow remote access, run

CREATE USER 'USERNAME-HERE'@'%' IDENTIFIED BY 'PASSWORD_HERE';
GRANT ALL PRIVILEGES ON DB_NAME_HERE.* TO 'USERNAME-HERE'@'%';
FLUSH PRIVILEGES;

To allow a user to create another user

GRANT GRANT OPTION ON *.* TO 'USERNAME-HERE'@'localhost';

Now this user will be able to create new users.

Create a user with root privilages

GRANT ALL PRIVILEGES ON *.* TO 'admin'@'localhost' IDENTIFIED BY 'MYSQL_PASSWORD' WITH GRANT OPTION;
GRANT PROXY ON ''@'' TO 'admin'@'localhost' WITH GRANT OPTION;

For MySQL 8

CREATE USER 'admin'@'%' IDENTIFIED BY 'AEs308SuEtT0Hs';
GRANT ALL PRIVILEGES ON *.* TO 'admin'@'%' WITH GRANT OPTION;