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» SBQL Views - Prototype of Updateable Views
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SIGMOD
1998
ACM
124views Database» more  SIGMOD 1998»
14 years 12 hour ago
An Alternative Storage Organization for ROLAP Aggregate Views Based on Cubetrees
The Relational On-Line Analytical Processing (ROLAP) is emerging as thedominant approach in data warehousing with decision support applications. In order to enhance query performa...
Yannis Kotidis, Nick Roussopoulos
EDBT
2009
ACM
175views Database» more  EDBT 2009»
14 years 2 months ago
Towards materialized view selection for distributed databases
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
Leonardo Weiss Ferreira Chaves, Erik Buchmann, Fab...
CCS
2007
ACM
14 years 1 months ago
Incremental adaptation of XPath access control views
Materialized XPath access-control views are commonly used for enforcing access control. When access control rules defining a materialized XML access-control view change, the view...
Padmapriya Ayyagari, Prasenjit Mitra, Dongwon Lee,...
SIGMOD
1995
ACM
161views Database» more  SIGMOD 1995»
13 years 11 months ago
Applying Update Streams in a Soft Real-Time Database System
Many papers have examined how to e ciently export a materialized view but to our knowledge none have studied how to e ciently import one. To import a view, i.e., to install a stre...
Brad Adelberg, Hector Garcia-Molina, Ben Kao
PVLDB
2010
83views more  PVLDB 2010»
13 years 6 months ago
Updatable and Evolvable Transforms for Virtual Databases
Applications typically have some local understanding of a database schema, a virtual database that may differ significantly from the actual schema of the data where it is stored...
James F. Terwilliger, Lois M. L. Delcambre, David ...