ContextOS/usr/wiki/自然/编程/后端技术栈/mysql.md

简介

MySQL 是一个开源的关系型数据库管理系统。

• 官网: https://www.mysql.com/
• 源码: https://dev.mysql.com/downloads/file/?id=482483
• 文档: https://dev.mysql.com/doc/refman/5.6/en
• 开源: https://github.com/mysql/mysql-server

基础命令

存储引擎

• 下载: https://dev.mysql.com/downloads/mysql/5.6.html#downloads

• 博客: http://blog.codinglabs.org/articles/theory-of-mysql-index.html

变量的定义与引用: https://www.cnblogs.com/EasonJim/p/7966918.html

show engines show engine innodb status show variables

show databases create database demo drop database demo use demo

show tables create table t(a int unsigned not null, b char(10), primary key(a)) drop table t

select * from t; insert into t values() update t set b='1234' delete from t