MySQL必知必会===这本书学习的方法就是：1、十分钟了解下数据库的基本概念 2、找到练手的数据库 3、对照着上面的内容去敲。(MySQL must know must be = = = = = = = = = = = this book is to learn the way: 1, ten minutes to understand the basic concept of the database 2, find the database of the database 3, compared to the above content to knock.)