NDLI: Database cost analysis: a top-down approach

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Database cost analysis: a top-down approach

Content Provider	ACM Digital Library
Author	Merrett, T. H.
Abstract	A top-down approach is proposed for cost analysis for database and information system design. General principles are given which allow the analyst either to estimate rapidly the costs of a wide variety of alternatives or to investigate fewer possibilities in great detail. Techniques are developed which can be used at any level of the iterative design process - at the early stages or at the detailed phase of specific design. The paper applies the methods to the basic categories of file cost at the simpler levels of analysis and refers to the literature for more sophisticated analyses, which can be done within the framework provided here. Among the specific results developed are: the extension of a widely-used hit ratio formula to non-uniform usage distribution; the introduction of the "distribution of depths" for serial accesses; a general activity analysis and a volatility analysis for indexed sequential files.
Starting Page	135
Ending Page	143
Page Count	9
File Format	PDF
DOI	10.1145/509404.509426
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1977-08-03
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	File organization model Database performance Database analysis Volatility Reorganization cost Activity Retrieval cost Deterioration Usage distribution Storage cost Acquisition cost Cost analysis Data structure
Content Type	Text
Resource Type	Article

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