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Answering queries using views /

Chirkova, Rada Y.

Answering queries using views /

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Answering queries using views // Foto Afrati, Rada Chirkova.
Author:	Afrati, Foto.
other author:	Chirkova, Rada Y.
Published:	[San Rafael, Calif.] :Morgan & Claypool, : c2018.,
Description:	xix, 215 p. :ill. ; : 24 cm.;
Subject:	Querying (Computer science) -
ISBN:	9781681730318 (pbk.) :

Answering queries using views /
Afrati, Foto.

Answering queries using views /Foto Afrati, Rada Chirkova. - [San Rafael, Calif.] :Morgan & Claypool,c2018. - xix, 215 p. :ill. ;24 cm. - Synthesis lectures on data management ;46.

Includes bibliographical references (p. 201-213).

The topic of using views to answer queries has been popular for a few decades now, as it cuts across domains such as query optimization, information integration, data warehousing, website design, and, recently, database-as-a-service and data placement in cloud systems. This book assembles foundational work on answering queries using views in a self-contained manner, with an effort to choose material that constitutes the backbone of the research. It presents efficient algorithms and covers the following problems: query containment; rewriting queries using views in various logical languages; equivalent rewritings and maximally contained rewritings; and computing certain answers in the data-integration and data-exchange settings. Query languages that are considered are fragments of SQL, in particular, select-project-join queries, also called conjunctive queries (with or without arithmetic comparisons or negation), and aggregate SQL queries.

ISBN: 9781681730318 (pbk.) :NT2784Subjects--Topical Terms:

785780
Querying (Computer science)

LC Class. No.: QA76.9.D3 / A372 2018

Dewey Class. No.: 005.7565

Answering queries using views /
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100 1 $a Afrati, Foto. $3 1167074
245 1 0 $a Answering queries using views / $c Foto Afrati, Rada Chirkova.
260 # $a [San Rafael, Calif.] : $b Morgan & Claypool, $c c2018.
300 $a xix, 215 p. : $b ill. ; $c 24 cm.
490 0 $a Synthesis lectures on data management ; $v 46
504 $a Includes bibliographical references (p. 201-213).
520 3 $a The topic of using views to answer queries has been popular for a few decades now, as it cuts across domains such as query optimization, information integration, data warehousing, website design, and, recently, database-as-a-service and data placement in cloud systems. This book assembles foundational work on answering queries using views in a self-contained manner, with an effort to choose material that constitutes the backbone of the research. It presents efficient algorithms and covers the following problems: query containment; rewriting queries using views in various logical languages; equivalent rewritings and maximally contained rewritings; and computing certain answers in the data-integration and data-exchange settings. Query languages that are considered are fragments of SQL, in particular, select-project-join queries, also called conjunctive queries (with or without arithmetic comparisons or negation), and aggregate SQL queries.
650 # 0 $a Querying (Computer science) $3 785780
700 1 # $a Chirkova, Rada Y. $3 1167075