1、创建一个database
create database `Test` default character set utf8 collate utf8_general_ci;
2、添加用户
GRANT ALL PRIVILEGES ON *.* TO root1@"localhost" IDENTIFIED BY "123456" WITH GRANT OPTION;
3、查看权限
select * from mysql.user \G (\G是进行一个格式化,\G后面不能加分号,\G在功能上等同于';',,如果加了分号,就有;;(2个分号,SQL语法错误)