一个简单的事务管理的数据库设计，主要设计了事务级别，做的很简单，希望大家多多给意见，增进大家学习的机会。-A simple transaction management, database design, design a transaction level, is very simple to do, I hope a lot to give advice, to enhance the opportunities for them to learn.

只是一个简单地学生事务管理系统，能实现对学生，系，学会，住宿的编译修改核查等功能，对于数据库初学者有参考价值。-Just a simple student affairs management system, to achieve the student, Department of Society, compiled stay modifications verification and other functions, for beginners reference value .