数据库（Database，DB）：组织、存储、管理数据的电子仓库，它是存储在计算机内的通用化的、综合性的数据的集合。其基本思想就是对所有的数据实行统一的、集中的、独立的管理，数据库独立于程序而存在，并可以提供给各类不同的用户共享资源。其特点是它具有统一的结构、较小的冗余度，较高的数据独立性和易扩展性。

-Database (Database, DB): organization, storage, management, electronic data warehouse, which is stored in the computer s universal, comprehensive data collection. The basic idea is that all data unified, centralized, independent management, database independent of the program exists, and can provide different types of users to share resources. Its characteristics are that it has a unified structure, the smaller the redundancy, higher data independence and easy extensibility