数据库计算机常用英语词汇名词解释

       data: By data, we mean known facts that can be recorded and that have implicit meaning.

       数据是可被记录并且有隐含意义的已知事实。

      

       database: A database is a collection of related data.

       数据库是有关联数据的集合。

       DBMS：A database management system is a collection of programs that enable users to create and maintain a database.

       数据库管理系统是一组可支持用户来创建和管理数据库的程序集合。

 

       database system: We call the database and DBMS software together a database system.

       数据库和数据库管理系统统称为数据库系统。

       Database catalog contains information such as the structure of each file, the type and stored format of each data item, and various constraints on the data.

       数据库目录包含每个文件的结构，每条数据项的类型和存储格式，以及针对数据的不同约束等信息。

Program-data independence：It is a property of database system that the s