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Answering queries using views /
~
Chirkova, Rada Y.
Answering queries using views /
紀錄類型:
書目-語言資料,印刷品 : Monograph/item
正題名/作者:
Answering queries using views // Foto Afrati, Rada Chirkova.
作者:
Afrati, Foto.
其他作者:
Chirkova, Rada Y.
出版者:
[San Rafael, Calif.] :Morgan & Claypool, : c2018.,
面頁冊數:
xix, 215 p. :ill. ; : 24 cm.;
標題:
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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