Aggregate Cache

Hasso Plattner
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Hasso Plattner: Hasso Plattner Institute

Chapter Chapter 28 in A Course in In-Memory Data Management, 2014, pp 191-196 from Springer

Abstract: Abstract OLTP and OLAP systems (cf. Sect.3.2) employ different approaches to deal with aggregate queries. While OLAP systems make extensive use of materialized views [SDJL96, ZGMH+95], we see that the handling of aggregates in OLTP systems is often done within the application by maintaining predefined summary tables. This leads to an increased application complexity with risks for violating data consistency and to a limited throughput of insert and update queries as the related summary tables must be updated in the same transaction [JMS95, Pla09].

Keywords: Aggregate Cache; Increasing Application Complexity; OLAP Systems; OLTP Systems; Differential Buffer (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_28

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DOI: 10.1007/978-3-642-55270-0_28

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