MySQL备忘录

1. 进入mysql
   mysql -u root -p
2. 更改默认编码方式为UTF-8
   http://blog.youkuaiyun.com/red4711/article/details/6007248
3. 备份和还原
   http://blog.youkuaiyun.com/quietprofound/article/details/2947197
4. 常见指令

show databases; --显示当前数据库
create database mybuaa; --新建数据库
use mybuaa; --使用数据库
--创建数据表
drop table if exists entries;
create table entries (
  id integer primary key auto_increment,
  amount integer not null,
  description text not null,
  money integer not null,
  people text not null,
  exedate date not null
);
insert into entries values(1,-255,'水费',-140,'孟德超',CURDATE());--增
delete from entries where id = 1;   --删
update entries set people = "孟德超" where id = 1;--改
select people,exedate from entries where id = 1;--查

drop table entries; --删除表单
drop mybuaa; --删除数据库

1. 其他
   数据类型：http://www.runoob.com/mysql/mysql-data-types.html
   外键：http://www.cppblog.com/wolf/articles/69089.html