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引用次数: 2

摘要

多维DBMS (MDBMS)数据模型是自1970年以来可用的嵌套关系DBMS (RDBMS)。多维DBMS数据模型可以更自然地对现实世界中的问题建模,例如一对多的父对子表关系、变长记录和长度字段以及一组丰富的数据管理功能。本文研究了多维DBMS数据模型中的集合对象类型设计。它介绍了关系DBMS、多维DBMS和面向对象DBMS之间使用的数据库术语。介绍了多维数据库管理系统的优点、管理和优化。本文还讨论了类管理、继承映射、对象管理和对象集合的实现。它建议对对象集合实现进行改进,并继续利用多维DBMS进行分布式对象管理。
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Objects collection management in multidimensional DBMS data model
A multidimensional DBMS (MDBMS) data model is a nested relational DBMS (RDBMS) that has been made available since 1970. A multidimensional DBMS data model could model real world problems more naturally, such as one to many parent to children table relationship, variable length record and length field and a rich set of data management functionality. The paper considers collection object type design in a multidimensional DBMS data model. It presents database terms used between a relational DBMS, a multidimensional DBMS and an object oriented DBMS. The benefits, management and optimisation of the multidimensional DBMS are presented. The paper also presents discussions on class management, inheritance mapping, object management and implementation of object collection. It suggests improvements to the object collection implementation and continues work on distributed object management utilising a multidimensional DBMS.
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