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Author Bachman, Charles W.
Source ACM Digital Library
Content type Text
Publisher Association for Computing Machinery (ACM)
File Format PDF
Language English
Subject Keyword Set class ♦ Entity ♦ Entity class ♦ Set ♦ Page ♦ Hash ♦ Logical storage structure ♦ Physical record ♦ Randomize ♦ Field ♦ Item ♦ Data structure diagram ♦ Physical storage structure ♦ Storage structure ♦ Record ♦ Index sequential ♦ Device ♦ Storage allocation structure ♦ Extent file ♦ Cylinder ♦ Volume ♦ Integrated data store ♦ Logical record ♦ Block ♦ Track
Abstract Data base management systems have grown rapidly in their power and complexity over the 15-year history of data processing on commercially available computers. The original concepts have split, and new terms have been adopted to name and refer to these concepts. The Data Structure Diagram graphic technique is used to illustrate the splitting of the concepts and the structural relations which exist between these concepts at each point in the evolution.
Description Affiliation: Honeywell Information Systems, Billerica, MA (Bachman, Charles W.)
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2005-08-01
Publisher Place New York
Journal Communications of the ACM (CACM)
Volume Number 15
Issue Number 7
Page Count 7
Starting Page 628
Ending Page 634


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Source: ACM Digital Library