mysqlのユーザー追加
GRANT ALL PRIVILEGES ON *.* TO ユーザー名@localhost IDENTIFIED BY 'パスワード' WITH GRANT OPTION;
GRANT ALL PRIVILEGES ON *.* TO ユーザー名@'%' IDENTIFIED BY 'パスワード' WITH GRANT OPTION;
GRANT ALL PRIVILEGES ON *.* TO ユーザー名@localhost IDENTIFIED BY 'パスワード' WITH GRANT OPTION;
GRANT ALL PRIVILEGES ON *.* TO ユーザー名@'%' IDENTIFIED BY 'パスワード' WITH GRANT OPTION;