Incremental Design of a Data Warehouse

被引：0
|
作者：
Dimitri Theodoratos
Timos Sellis
机构：
[1] National Technical University of Athens,Computer Science Division, Department of Electrical and Computer Engineering
[2] Zographou,Computer Science Division, Department of Electrical and Computer Engineering
[3] National Technical University of Athens,undefined
[4] Zographou,undefined
来源：
Journal of Intelligent Information Systems | 2000年 / 15卷
关键词：
data warehousing; materialized views; view selection; view usability; view maintenance;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A data warehouse (DW) can be seen as a set of materialized views defined over remote base relations. When a query is posed, it is evaluated locally, using the materialized views, without accessing the original information sources. The DWs are dynamic entities that evolve continuously over time. As time passes, new queries need to be answered by them. Some of these queries can be answered using exclusively the materialized views. In general though new views need to be added to the DW.
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页码：7 / 27
页数：20
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