A DATA-FLOW GRAPHICAL QUERY LANGUAGE-BASED ON A FUNCTIONAL PARADIGM

被引：0
|
作者：
CZEJDO, BD
MAPPUS, RL
机构：
[1] Department of Mathematics and Computer Science, Loyola University, New Orleans
来源：
JOURNAL OF VISUAL LANGUAGES AND COMPUTING | 1994年 / 5卷 / 03期
关键词：
D O I：
10.1006/jvlc.1994.1013
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
In this paper we discuss a functional graphical language for specifying queries. The basic concepts of the object relationship (OR) model are reviewed and the process to convert OR diagrams into query graphs is shown. Both the primitive database relationship sets and the primitive computational relationship sets are described. The methods of defining non-recursive and recursive non-primitive relationship sets are analyzed.
引用
收藏
页码：251 / 266
页数：16
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