Scan Performance

Hasso Plattner
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Hasso Plattner: Hasso Plattner Institute

Chapter Chapter 14 in A Course in In-Memory Data Management, 2014, pp 97-101 from Springer

Abstract: Abstract In this chapter, we discuss the performance of the scan operation. Scan operations search one or more attributes for a certain value. Unless the table is sorted by the attribute to scan, a scan has to iterate over all entries and returns those entries, which fulfill the search predicate (e.g. “SELECT * FROM world_population WHERE lastname = “Smith”).

Keywords: Scanner Performance; Scan Operation; WHERE Population; WHERE LastName; FROM WORLD (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-55270-0_14

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DOI: 10.1007/978-3-642-55270-0_14

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