测土配方施肥中数据完整性保护方法研究  

Study on Data Integrity Protection Methods in Soil Testing and Formulated Fertilization

作　　者：柳刚[1] 邱勇[1] 

机构地区：[1]西昌学院,四川西昌615013

出　　处：《安徽农业科学》2012年第7期4399-4400,4403,共3页Journal of Anhui Agricultural Sciences

摘　　要：针对测土配方施肥数据库建设应用要求,根据所采集数据之间的关系,提出数据完整性保护的3种方法。实体完整方法保证所采集的每条信息都有意义,参照完整性方法保证有参照关系的实体数据之间正确引用数据并减少数据冗余度。根据各土肥站的实际需要提出自定义完整方法满足实际需要。实践结果证明,通过3种完整性方法的综合应用能够快速精确地建立测土配方施肥数据库,减少数据冗余,为后继的数据分析提供良好结构。For database construction application requirements of soil testing and formulated fertilization,according to the relationship among data collection,three methods for data integrity protection were proposed.Entity integrity ensured that the collected information were meaningful,referential integrity ensured that entity data with reference cited data correctly and reduced data redundancy.According to the actual need of each Soil and Fertilizer Station,a complete approach to customize to meet actual needs was introduced.The practical results show that based on the comprehensive application of three integrated applications,can quickly and accurately establish soil testing and formulated fertilization database and reduce data redundancy,to provide good structure for the subsequent data analysis.

关 键 词：测土配方施肥 实体完整性 参照完整性 用户自定义 

分 类 号：S126[农业科学—农业基础科学] S147.2