关系数据库管理系统交互式图形查询界面的设计与实现

[Proceedings] 1988 IEEE Workshop on Visual Languages Pub Date : 1988-10-10 DOI:10.1109/WVL.1988.18005

B. Czejdo, Venugopal Reddy, M. Rusinkiewicz

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引用次数: 4

摘要

描述了一个作为关系数据库管理系统前端实现的图形查询界面。用户通过图形化调用指定查询的操作符来操作数据库架构图。在查询表述过程中，生成等价的结构化查询语言(SQL)表达式所需的信息会不断积累。给出了图形操作符到SQL的映射的形式化定义，并给出了用户与系统之间的交互示例。

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Design and implementation of an interactive graphical query interface for a relational database management system

A graphical query interface, implemented as a front-end to a relational database management system, is described. A user manipulates database schema diagrams by graphically invoking operators that specify a query. During the process of query formulation the information needed to generate an equivalent structured query language (SQL) expression is accumulated. The formal definitions of the mapping of graphical operators into SQL are given, and sample interactions between a user and the system are shown.<>

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[Proceedings] 1988 IEEE Workshop on Visual Languages

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