具有访问路径的数据库的非过程查询处理

Proceedings of the 1978 ACM SIGMOD international conference on management of data Pub Date : 1978-05-31 DOI:10.1145/509252.509291

N. Griffeth

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引用次数: 1

摘要

在具有访问路径的数据库系统中使用“推理规则”——例如:CODASYL和IMS数据库——被提议允许对数据库系统进行非过程性查询。需要这些推理规则的访问路径类型是隔离的。结果表明，CODASYL或IMS数据库所需的推理规则取决于数据库图中边的配置。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Nonprocedural query processing for databases with access paths

The use of "rules of inference" in database systems with access paths--e.g., CODASYL and IMS databases--is proposed to allow nonprocedural querying of the database systems. The kinds of access paths for which these rules of inference are required are isolated. It is shown that the rules of inference required for a CODASYL or an IMS database depend on the configurations of the edges in a diagram of the database.

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Proceedings of the 1978 ACM SIGMOD international conference on management of data

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