术语 | data independence |
释义 | data independence 数据独立性;[资料独立性] 1. The property of a data base management system that enables data to be processed independently of access mode, storage method, or arrangement of data. 数据库管理系统的特性,使数据的处理与存取方式、存储方法或数据的安排无关。 2. The definition of logical and physical data so that application programs do not depend on where physical units of data are stored; data independence reduces the need to modify application programs when data storage and access methods are modified. 逻辑和物理数据的定义方式,使应用程序不依赖于数据存储的物理单元位置;当数据存储 和存取方法改变时,数据独立性可减少对应用程序的修改。 |
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