| 释义 |
logical data base
逻辑数据库;［逻辑资料库］
In IMS/VS, a set of logical data base record occurrences. It is composed of one or more physical data bases and represents hierarchic, structured relationships between data segments that can be different from the physical structure in which the segments were loaded.
在虚存信息管理系统(IMS/VS)中,一组逻辑数据库记录值的集合。它由一个或多个物理数据 库组成,并在诸数据段之间表现为层次结构的关系,而且可以不同于装入这些数据段的物理结构。
参阅physical data base。 |