Describe how to incrementally maintain the results of the following operations, on both insertions and deletions. a.

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Describe how to incrementally maintain the results of the following operations, on both insertions and deletions.

a. Union and set difference

b. Left outer join

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Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

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Question Posted: Jan 29, 2011 01:42 AM

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Describe how to incrementally maintain the results of the following operations, on both insertions and deletions. a.

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a Given materialized view v r Us when a tuple is inserted in r we check if it is present in u and if ...View the full answer

Database System Concepts

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