MySQL创建用户和授权

-- 语法
create user '用户名'@'主机' identified by '密码';
-- 实例
create user 'rayfoo'@'%' identified by '123456';
-- 刷新，立即生效
flush privileges;


-- 语法
grant all privileges on 数据库.表 to 用户名@'主机' identified by '密码';
-- 实例
grant all privileges on *.* to rayfoo@'%' identified by '123456';
-- 刷新，立即生效
flush privileges;