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Gupta et al., 1995 - Google Patents

Aggregate-query processing in data warehousing environments

Gupta et al., 1995

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Document ID
6660295049116387230
Author
Gupta A
Harinarayan V
Quass D
Publication year

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In this paper we introduce generalized projections (GP an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections (distinctand duplicate-preserving projections in a common unified framework. Using GP s we …
Continue reading at ilpubs.stanford.edu:8090 (PDF) (other versions)

Classifications

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    • G06F17/30286Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30386Retrieval requests
    • G06F17/30424Query processing
    • G06F17/30477Query execution
    • G06F17/30507Applying rules; deductive queries
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    • G06COMPUTING; CALCULATING; COUNTING
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    • G06F17/30424Query processing
    • G06F17/30442Query optimisation
    • G06F17/30448Query rewriting and transformation
    • G06F17/30451Query rewriting and transformation of sub-queries or views
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    • G06F17/30587Details of specialised database models
    • G06F17/30592Multi-dimensional databases and data warehouses, e.g. MOLAP, ROLAP
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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