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Indexation
Indexation
Publications: 222,411| Citation Count: 1,505,978
Stemming Variations: index, indexing, indexes, indexed, indexability
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    • An index is an important component that helps improve database performance by accessing a specific observation or set of observations when using a WHERE clause. To help achieve optimal database performance, SAS® users should learn a few simple, and basic, rules associated with building efficient indexes. This presentation examines rules to help users achieve high-performing SAS-based applications. Attendees learn techniques related to constructing short and distinct keys, developing covered queries, and constructing all the information that is needed by a query in a clustered index...

    Kirk Paul Lafler. Building Effective SAS ® Indexes using Short and Distinct Keys, Covere...

    • Indexing is an important notion for e-cient data management. It prescribestheuseofaparticularadditionaldatastructurefordirectorimproved access to the locations where requested values have been stored. Indexing itself makesnoassumptionsaboutthestructureoftheactualstorageofvaluesorindices (but a realizationdoes). All this is elegantly formalized in the Z notation...

    Maarten M. Fokkinga. Formalization of Indexing in Data Management

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