台网中心地震前兆数据库的结构及其管理维护

The structure of precursor database in network center and its management

台网中心地震前兆数据库已运行2年多时间,积累了大量的数据,但在实际使用中,数据库的管理维护还存在不少问题。本文着重介绍了地震前兆数据库的结构及在实际使用中如何对其进行管理维护,并介绍了地震前兆数据库管理人员提供给用户使用前兆数据的方法。

The precursor database of network center has run more than two years, and a great amount of precursory data has been collected, but there are still a lot of problems in its management and maintenance. In this paper, its structure as well as its management and maintenance is mainly introduced, and the method to provide data for user is also presented.