Download mysql: https://dev.mysql.com/downloads/mysql/
and shell: https://dev.mysql.com/downloads/shell/
echo 'alias mysql=/usr/local/mysql/bin/mysql' >> ~/.zprofile
mysql -u root -p
CREATE USER 'username'@'localhost' IDENTIFIED BY 'password';
CREATE DATABASE db_name;
USE db_name;
GRANT ALL PRIVILEGES ON *.* TO 'username'@'localhost';
SHOW USERS;
SHOW DATABASES;
SHOW GRANTS FOR 'username'@'localhost';
DROP USER 'username'@'localhost';
DROP DATABASE db_name;