1. 启动（一般都是启动好的）

net start mysql

2. 登录

mysql -u root -p

3. 创建数据库

create database runoob;

4. 创建用户

create user 'scott'@'localhost' identified by '123456';

5. 给予权限

grant all privileges on runoob.* to 'scott'@'localhost';