| 摘要: |
| 对象的内部表示决定了对象的存储方式和访问方式,文章介绍了RSBO(refined synchronous buffers of objects)表示方法,是SBO(synchronous buffers of objects)对象表示法的改进.RSBO表示法利用解析对象结构方式,把对象的复杂结构分解为具有相对简单结构的对象节.RSBO在SBO表示法的基础上引入了指针节的机制.指针节结构是对象指针的扩展,并能同时支持在复杂对象的集合上的访问和计算.另外介绍了基于RSBO对象的访问方式和索引结构,传统数据库中 |
| 关键词: 存储管理,数据库,面向对象数据库,对象表示,数据访问. |
| DOI： |
| 分类号: |
| 基金项目:本文研究得到广东省自然科学基金资助。 |
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| RSBO: an Representation Model of Objects |
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XI Jian-qing
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| Abstract: |
| The internal representation of objects in ODBMS (object-oriented database management system) determines the way to store and access the objects. In this paper, a kind of object representation method——RSBO (refined synchronous buffers of objects) is introduced. The method is a refinement of SBO (synchronous buffers of objects), which is a kind of object representation. With RSBO, an object having sophisticated structure is resolved into relatively simple object sectors (pieces of the object). Based on SBO, RSBO considers the mechanism of object pointer sectors, which is an expansion of object pointers. Pointer sectors not only have the similar properties of SBO sectors, but also support set-oriented computation. The access methods and possible index structures on RSBO are also discussed. The traditional index method can be still used on RSBO. |
| Key words: Storage management, database, OODB (object-oriented database), object representation, data access. |
