水文数据库随机检索实用模型  

An Applied Model of Random Access for Hydrologic Database

作　　者：刘永华[1] 孙亚飞[1] 

机构地区：[1]湖南省水文水资源勘测局,湖南长沙410007

出　　处：《水文》2003年第3期52-54,共3页Journal of China Hydrology

摘　　要：随机检索是水文数据库重要的检索功能之一,由于检索要求的不确定性给软件开发带来一定的困难。以数据库SQL语言为基础,通过对语言的简化和提示性的模式化操作,建立了一种实用的随机检索模型。Random access is one of the important functions to hydrologic database,and due to the indetermina-tion of requirements in random access;there are some difficulties in software development.Using database SQL language as a foundation,simplifying and prompting each step of operations in SQL language application,an applied model of random access for hydrologic database is presented in the paper.

关 键 词：水文数据库 随机检索 模型 

分 类 号：P33－37[天文地球—水文科学]