MySQL, the Free & Open Source Media database management system, and its API in C are applied in the communication of historical database. And the Web service on PHP make it avaliable for the clients to access the historical database on network.

• 历史数据库系统选择了开放源代码的MySQL数据库管理系统,利用MySQL提供的C API实现与实时数据库系统的通信,并用PHP技术进行Web开发,实现人们通过网络对历史数据库进行访问。