mysql基础

1. 索引

https://www.baidu.com/s?word=msql+索引&tn=sitehao123&ie=utf-8&ssl_sample=ssl_3

2. 引擎

3. primary key、unique key、key

http://zccst.iteye.com/blog/1697043

4. 事物操作

5. 性能优化

6. 锁

http://blog.itpub.net/26435490/viewspace-1133659/
http://blog.csdn.net/ggxxkkll/article/details/22696427