把开发数据库的表结构同步到线上数据库中
https://github.com/phindmarsh/mysql-dbcompare
https://github.com/ovidyou/database-table-diff
http://stackoverflow.com/questions/225772/compare-two-mysql-databases
http://blog.youkuaiyun.com/binyao02123202/article/details/9923891
http://www.zhihu.com/question/20133207
http://www.cnblogs.com/cerxp/p/3544413.html