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一种关系模式的DTD发布方法

梁作鹏 王晓玲 徐立臻 董逸生

东南大学学报(英文版)2003,Vol.19Issue(2):117-120,4.
东南大学学报(英文版)2003,Vol.19Issue(2):117-120,4.

一种关系模式的DTD发布方法

A method for publishing relational schema into DTD

梁作鹏 1王晓玲 1徐立臻 1董逸生1

作者信息

  • 1. 东南大学计算机科学与工程系,南京,210096
  • 折叠

摘要

Abstract

This paper focuses on exporting relational data into extensible markup language (XML). First, the characteristics of both relational schemas represented by E-R diagrams and XML document type definitions (DTDs) are analyzed. Secondly, the corresponding mapping rules are proposed. At last an algorithm based on edge tables is presented. There are two key points in the algorithm. One is that the edge table is used to store the information of the relational dictionary, and this brings about the efficiency of the algorithm. The other is that structural information can be obtained from the resulting DTDs and other applications can optimize their query processes using the structural information.

关键词

XML/DTD/关系数据库/XML模式

Key words

XML/DTD/relational database/XML schema

分类

信息技术与安全科学

引用本文复制引用

梁作鹏,王晓玲,徐立臻,董逸生..一种关系模式的DTD发布方法[J].东南大学学报(英文版),2003,19(2):117-120,4.

东南大学学报(英文版)

1003-7985

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