注:机翻,未校对。
What is the Five Layers Model? The Framework of the Internet Explained 五层模型互联网框架解释
Computer Networks are a beautiful, amazing topic. Networks involve so much knowledge from different fields, from physics…
MySQL数据准备
create database if not exists test;
use test;
drop table if exists stu;
create table stu (id int primary key auto_increment, name varchar(100), age int);
insert into stu(name, age) values("张三",18);
insert into stu(name, age) valu…