摘要
介绍了关系数据库概念和关系模型的设计理论,阐述了关系模型中关系数据结构、关系操作、关系规范等在绿化植物有害生物数据库中的具体应用。
The concept of relational database and the design theory of relational model were introduced and the application of relational model to a pest database of afforestation was expounded in terms of relational data framework, relational operation and relational standards.
出处
《上海农业学报》
CSCD
2006年第3期55-58,共4页
Acta Agriculturae Shanghai
基金
上海市建委科技项目(A0200810)
上海市科委重大科技项目(03DZ19321)
建设部科技攻关项目(03-2-073)