0. 建立數據庫mydbjava
create database mydb;
1. 建立一個用戶user01數據庫
create user user01;
2. 用戶受權code
grant all on mydb.* to user01@"%" IDENTIFIED BY "123456";
% ,表明任何ipip
IDENTIFIED BY "123456" ,表明設置密碼爲123456class
3. 查看受權狀況密碼
show grants for user01@"%";