【摘要】 文档管理是PDM的核心,一般建立在关系数据库系统的基础上,主要保证数据的安全性和完整性,并支持各种查询与检索功能。通过建立在数据之上的相关联指针,建立不同类型的或异构的产品数据之间的联系,实现文档的层次与联系控制。本文就“飞机技术状态管理系统的文档管理模型作初步的探讨。更多还原

【Abstract】 The document file management is the core of PDM, normally established on the base of the relationship database system. It is mainly to ensure the data security and integrality and support the functions of various inquiries and search. With the interlinked pointer set up on the data, the relationship between different types or isomerous product data is established, which realizes the hierarchy of the documents and the contact control. This paper is to give the preliminary researching on the document management model of the "aircraft technology state management system".更多还原