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SEQUEL: A structured English query language

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International Conference on Management of Data archive
Proceedings of the 1974 ACM SIGFIDET (now SIGMOD) workshop on Data description, access and control table of contents

Ann Arbor, Michigan

Pages: 249 - 264

Year of Publication: 1974

Authors

Donald D. Chamberlin
Raymond F. Boyce

Sponsors

SIGMOD: ACM Special Interest Group on Management of Data
ACM: Association for Computing Machinery

Publisher

ACM New York, NY, USA

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Downloads (6 Weeks): 14, Downloads (12 Months): 85, Citation Count: 124

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ABSTRACT

In this paper we present the data manipulation facility for a structured English query language (SEQUEL) which can be used for accessing data in an integrated relational data base. Without resorting to the concepts of bound variables and quantifiers SEQUEL identifies a set of simple operations on tabular structures, which can be shown to be of equivalent power to the first order predicate calculus. A SEQUEL user is presented with a consistent set of keyword English templates which reflect how people use tables to obtain information. Moreover, the SEQUEL user is able to compose these basic templates in a structured manner in order to form more complex queries. SEQUEL is intended as a data base sublanguage for both the professional programmer and the more infrequent data base user.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

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