e-r diagram meaning in English
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关系图
Examples
- The main task of this paper is to describe the model of relation database and meilan airport mis , and applies its basic idea into projects to solve the practical problem of meilan airport mis . at first , this paper introduces the theory , technology and method of rdbms , and also describes the implementation method and procedure of meilan airport . we also give you the e - r diagram and database flow drawings and the method of how to create database objects ( tables , views , triggers , procedure and so on ) 0 the paper also describes ordbms and replication in ibm db2 5 . 2
并根据美兰机场航班信息管理系统的实际需要，设计了符合关系模型的、规范化的数据库，并给出数据库系统结构设计e - r图和数据流程图，详细论述了在db2中数据库设计的方法和过程，数据库对象( tablespace 、 trigger 、 view 、 schema 、 procedure等)创建的技巧和应用，对ibmdb25 . 2中实现面向对象的数据库的概念、 db2中定时备份航班数据及如何在db2中实现分布式数据库的数据库复制( replication )进行了探讨和应用。