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A view is a derived relation defined in terms of base relations. A view can be materialized by storing its extent in the database. An index can be made of these views and access to materialized view is much faster that recomputing the view from scratch. A Data Warehouse stores large amount of information collected from a different data sources. In order to speed up query processing, warehouse usually contains a large number of materialized views. When the data sources are updated, the views need to be updated. The process of keeping view up to date called as materialize view maintenance. Accessing base relations for view maintenance can be difficult, because the relations may be being used by users. Therefore materialize view maintenance in data warehousing is an important issue. For these reasons, the issue of self-maintainability of the view is an important issue in data warehousing. In this paper we have shown that a materialized view can be maintained without accessing the view itself by materializing additional relations at the data warehouse site.
Dr. Sanjay S Solanki. 2018. \u201cIncremental Maintenance of a Materialized view in Data Warehousing : An Effective Approach\u201d. Global Journal of Computer Science and Technology - C: Software & Data Engineering GJCST-C Volume 18 (GJCST Volume 18 Issue C3): .
Crossref Journal DOI 10.17406/gjcst
Print ISSN 0975-4350
e-ISSN 0975-4172
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Total Score: 106
Country: India
Subject: Global Journal of Computer Science and Technology - C: Software & Data Engineering
Authors: Dr. Sanjay S Solanki (PhD/Dr. count: 1)
View Count (all-time): 271
Total Views (Real + Logic): 6047
Total Downloads (simulated): 1537
Publish Date: 2018 07, Fri
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A view is a derived relation defined in terms of base relations. A view can be materialized by storing its extent in the database. An index can be made of these views and access to materialized view is much faster that recomputing the view from scratch. A Data Warehouse stores large amount of information collected from a different data sources. In order to speed up query processing, warehouse usually contains a large number of materialized views. When the data sources are updated, the views need to be updated. The process of keeping view up to date called as materialize view maintenance. Accessing base relations for view maintenance can be difficult, because the relations may be being used by users. Therefore materialize view maintenance in data warehousing is an important issue. For these reasons, the issue of self-maintainability of the view is an important issue in data warehousing. In this paper we have shown that a materialized view can be maintained without accessing the view itself by materializing additional relations at the data warehouse site.
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