drop database if exists jz;
drop user if exists 'jz'@'%';
-- 支持emoji：需要mysql数据库参数： character_set_server=utf8mb4
create database jz default character set utf8mb4 collate utf8mb4_unicode_ci;
use jz;
create user 'jz'@'%' identified by 'jz123456';
grant all privileges on jz.* to 'jz'@'%';
flush privileges;