寻找关系模式的候选码是数据库设计理论中的重要问题。
Seeking for candidate key of relation scheme is an important question in designing database theory.
利用数据库设计理论、方法与步骤对农业信息服务系统数据库进行了设计。
The database of the agricultural information service system is designed in use of database design theory, method and process.
同时介绍了如何运用软件工程方法和数据库设计理论来开发软件的基本要点。
It also introduces the basic points of how to use the software engineering method and the database design theory to develop software.
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