Materialized views techniques, implementations, and applications

"When an application is built, an underlying data model is chosen to make that application effective. Frequently, other applications need the same data, only modeled differently. The solution of copying the underlying data and modeling is costly in terms of storage and makes data maintenance an...

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Weitere Verfasser: Gupta, Ashish 1968-, Mumick, Inderpal Singh
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Veröffentlicht: Cambridge, Mass. MIT Press 1999
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520 3 |a "When an application is built, an underlying data model is chosen to make that application effective. Frequently, other applications need the same data, only modeled differently. The solution of copying the underlying data and modeling is costly in terms of storage and makes data maintenance and evolution impossible. View mechanisms are a technique to model data differently for various applications without affecting the underlying format and structure of the data. The technique enables applications to customize shared data objects without affecting other applications that use the same objects. The growing data-manipulation needs of companies cannot be met by existing legacy systems that contain valuable data. Thus view mechanisms are becoming increasingly important as a way to model and use legacy data in new applications. Materialized views are views that have been computed and stored in databases. Because they reduce the need to recompute the view and/or data being queried, they speed up the querying of large amounts of data. Further, because they provide a systematic way to describe how to recompute the data, maintenance and evolution can be automated. Materialized views are especially useful in data warehousing, query optimization, integrity constraint maintenance, online analytical processing, and applications such as billing, banking, and retailing. This comprehensive volume, with a foreword by Jeff Ullman of Stanford University, will serve as a reference for students and commercial users, and encourage further use and development of materialized views." 
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Cambridge, Mass. MIT Press 1999
1 Online-Ressource (xix, 589 Seiten) Illustrationen
txt
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"When an application is built, an underlying data model is chosen to make that application effective. Frequently, other applications need the same data, only modeled differently. The solution of copying the underlying data and modeling is costly in terms of storage and makes data maintenance and evolution impossible. View mechanisms are a technique to model data differently for various applications without affecting the underlying format and structure of the data. The technique enables applications to customize shared data objects without affecting other applications that use the same objects. The growing data-manipulation needs of companies cannot be met by existing legacy systems that contain valuable data. Thus view mechanisms are becoming increasingly important as a way to model and use legacy data in new applications. Materialized views are views that have been computed and stored in databases. Because they reduce the need to recompute the view and/or data being queried, they speed up the querying of large amounts of data. Further, because they provide a systematic way to describe how to recompute the data, maintenance and evolution can be automated. Materialized views are especially useful in data warehousing, query optimization, integrity constraint maintenance, online analytical processing, and applications such as billing, banking, and retailing. This comprehensive volume, with a foreword by Jeff Ullman of Stanford University, will serve as a reference for students and commercial users, and encourage further use and development of materialized views."
Gupta, Ashish 1968-
Mumick, Inderpal Singh
Erscheint auch als Druck-Ausgabe 0262571226
Erscheint auch als Druck-Ausgabe 9780262571227
TUM01 ZDB-260-MPOB TUM_PDA_MPOB MIT Press https://doi.org/10.7551/mitpress/4472.001.0001?locatt=mode:legacy Volltext
spellingShingle Materialized views techniques, implementations, and applications
title Materialized views techniques, implementations, and applications
title_auth Materialized views techniques, implementations, and applications
title_exact_search Materialized views techniques, implementations, and applications
title_full Materialized views techniques, implementations, and applications edited by Ashish Gupta, Inderpal Singh Mumick ; foreword by Jeffrey D. Ullman
title_fullStr Materialized views techniques, implementations, and applications edited by Ashish Gupta, Inderpal Singh Mumick ; foreword by Jeffrey D. Ullman
title_full_unstemmed Materialized views techniques, implementations, and applications edited by Ashish Gupta, Inderpal Singh Mumick ; foreword by Jeffrey D. Ullman
title_short Materialized views
title_sort materialized views techniques implementations and applications
title_sub techniques, implementations, and applications
url https://doi.org/10.7551/mitpress/4472.001.0001?locatt=mode:legacy
work_keys_str_mv AT guptaashish materializedviewstechniquesimplementationsandapplications
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