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» View Maintenance in a Warehousing Environment
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DOLAP
2005
ACM
13 years 9 months ago
Optimizing the incremental maintenance of multiple join views
Materialized views are nowadays commonly used in the data warehouse environment. Materialized views need to be updated when data sources change. Since the update of the views may ...
Ki Yong Lee, Myoung-Ho Kim
ICDE
2005
IEEE
147views Database» more  ICDE 2005»
14 years 9 months ago
Cost-Driven General Join View Maintenance over Distributed Data Sources
Maintaining materialized views that have join conditions between arbitrary pairs of data sources possibly with cycles is critical for many applications. In this work, we model vie...
Bin Liu, Elke A. Rundensteiner
DAWAK
2003
Springer
14 years 25 days ago
Performance Tests in Data Warehousing ETLM Process for Detection of Changes in Data Origin
In a data warehouse (DW) environment, when the operational environment does not posses or does not want to inform the data about the changes that occurred, controls have to be impl...
Rosana L. de B. A. Rocha, Leonardo Figueiredo Card...
SIGMOD
1997
ACM
131views Database» more  SIGMOD 1997»
13 years 11 months ago
Maintenance of Data Cubes and Summary Tables in a Warehouse
Data warehouses contain large amounts of information, often collected from a variety of independent sources. Decision-support functions in a warehouse, such as on-line analytical ...
Inderpal Singh Mumick, Dallan Quass, Barinderpal S...
RTDB
2001
83views more  RTDB 2001»
13 years 9 months ago
Updates and View Maintenance
A database system contains base data items which record and model a physical, real world environment. For better decision support, base data items are summarized and correlated to...
Ben Kao, Kam-yiu Lam, Brad Adelberg