mysql
http://blog.csdn.net/qq_30507287/article/details/53857451
http://www.runoob.com/mysql/mysql-install.html
http://www.cnblogs.com/mr-wid/archive/2013/05/09/3068229.html
https://www.w3cschool.cn/mysql/
http://www.cnblogs.com/mr-wid/archive/2013/05/09/3068229.html
http://www.runoob.com/mysql/mysql-create-tables.html
每天进步一点点