概念数据模型 meaning in English
cdm
conceptual data model
Examples
- This thesis analyzes several typical spatio - temporal gis data models . on the basis of the human ' s cognitive concepts of geographic world , some important gis spatial concepts and temporal concepts are discussed
从人们对地理世界的认识出发，对gis中的时间和空间等一些重要概念做了论述，在此基础上讨论了gis的概念数据模型。 - Conceptual model , physical model and object oriented model are developed with the computer aided software engineering tool ( powerdesinger ) in this research , then the object design , the database design and the dbms are integerated
课题在系统分析设计过程中使用了智能化的计算机辅助软件工程工具( powerdesinger )实现概念数据模型、物理数据模型和流行的面向对象的模型，将对象设计、数据库设计和关系数据库无缝地集成在一起。 - It also discusses the realization of the system . meanwhile , beginning with the analysis of the need few the system , the thesis draws a data flow diagram , studies the entities and their relation involved in the system and sets up the concept data model . then it establishes a logic data model and opens up the managing system of the automatic storage & retrieval system d atabase supporting the internet structure of the client / database server by using sql server 2000 database system
同时，从啤酒自动化仓库管理系统需求分析入手，画出系统的数据流图，研究系统所涉及的实体以及实体之间的关系，建立概念数据模型，再建立逻辑数据模型，最后采用sqlserver2000数据库系统开发了支持客户机服务器网络结构的啤酒自动化仓库管理系统数据库，为仓储作业的实现和库存管理提供数据存储方面的支持。