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A generalized access path model and its application to a relational data base system

Published: 02 June 1976 Publication History

Abstract

An Access Path Producing LanguagE (APPLE) has been developed which permits users to formulate completely non-procedural queries expressed solely in terms of attribute names. The responsibility for programming or specifying the access path by which a query is resolved has thus been shifted from the user to the system. Examples are presented which illustrate the procedures by which the system determines an access path. The problems to be found in this approach are also described, and techniques required to solve these problems are presented.

References

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E. F. Codd, "Relational Completeness of Data Base Sublanguages," Courant Computer Science Symposia 6, Data Base Systems, New York City, May 24-25, 1971, Prentice-Hall.
[2]
R. C. Goldstein, A. L. Strnad, "The MACAIMS Data Management System," Proc. 1970 ACM-SIGFIDET Workshop.
[3]
V. K. M. Whitney, "RDMS: A Relational Data Management System," Proc. Fourth International Symposium on Computer and Information Sciences, Miami Beach, Florida, December 14-16, 1972, Academic Press.
[4]
M. G. Notley, "The Peterlee IS/1 System," IBM UK Scientific Centre Report UKSC-0018, March 1972.
[5]
R. F. Boyce, D. D. Chamberlin, W. F. King III, M. M. Hammer, "Specifying Queries as Relational Expressions: SQUARE," Proc ACM SIGPLAN-SIGIR Interface Meeting, Gaithersburg, Maryland, November 4-6, 1973.
[6]
D. D. Chamberlin, R. F. Boyce, "SEQUEL: A Structured English Query Language," Proc. 1974 ACM-SIGFIDET Workshop.
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M. M. Zloof, "Query-By-Example: The Invocation and Definition of Tables and Forms," First International Conference on Very Large Data Bases, Framingham, Mass., September 1975, 1-24.
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E. F. Codd, "Seven Steps to Rendezvous with the Casual User," Data Base Management, edited by J. W. Klimbie and K. I. Koffeman, North-Holland, 1974, 179-200.
[9]
L. Winslow, Wright State University, Private Communique.
[10]
E. F. Codd, "Further Normalization of the Data Base Relational Model," Courant Computer Science Symposia 6, Data Base Systems, New York City, May 24-25, 1971, Prentice-Hall.
[11]
E. F. Codd, "A Relational Model of Data for Large Shared Data Banks," Comm. ACM, vol. 13, no. 6, June 1970, 377-387.
[12]
N. Roussopoulos and J. Mylopoulos, "Using Semantic Networks for Data Base Management," First International Conference on Very Large Data Bases, Framingham, Mass., September 1975, 144-172.

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cover image ACM Conferences
SIGMOD '76: Proceedings of the 1976 ACM SIGMOD international conference on Management of data
June 1976
145 pages
ISBN:9781450347297
DOI:10.1145/509383
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 02 June 1976

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