In this paper we propose a method of maintaining aggregate views (the summary-delta table method), and use it to solve two problems in maintaining summary ...
Data warehouses contain large amounts of information, of- ten collected from a variety of independent sources. Decision- support functions in a warehouse, ...
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May 18, 2024 · 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, ...
... summary tables in a data warehouse. Using efficient incremental maintenance techniques, it is possible to increase the number of summary tables available in ...
Abstract. Data warehouses contain large amounts of information, often collected from a variety of independent sources. Decision-support functions in a ...
Since the number of summary tables that need to be maintained is often large, a critical issue for data warehousing is how to maintain the summary tables ...
Maintenance of data cubes and summary tables in a warehouse
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This paper proposes a method of maintaining aggregate views (the summary-delta table method), and uses it to solve two problems in maintaining summary ...
25: Maintenance of Data Cubes and Summary Tables in a Warehouse. By. Inderpal Singh Mumick. Inderpal Singh Mumick. Search for other works by this author on:.
Jan 1, 2009 · Abstract. Data warehouses contain large amounts of information, often collected from a variety of independent sources.
INTRODUCTION. ASTs are a well-known technique for improving the performance of aggregation queries that access a large amount of data while.