873 search results - page 21 / 175 » Updates and View Maintenance |
VLDB
1993
ACM
14 years 1 months ago
1993
ACM
The enforcement of semantic integrity constraints in data and knowledge bases constitutea a major performance bottleneck. Integrity constraint simplification methods aim at reduci...
PODS
2006
ACM
14 years 10 months ago
2006
ACM
We propose a novel approach to the classical view update problem. The view update problem arises from the fact that modifications to a database view may not correspond uniquely to...
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
Database views are extensively used to represent unmaterialized tables. Applications rarely distinguish between a materialized base table and a virtual view, thus, they may issue ...
CAISE
2003
Springer
14 years 3 months ago
2003
Springer
We present an approach to updateable XML views, which is based on the Stack-Based Approach to query languages. Its novelty consists in introducing procedures overloading generic up...
EFDBS
2003
13 years 11 months ago
2003
Mediators are considered basic architectural units for integration of distributed, heterogeneous information resources. In the paper we propose powerful virtual updateable views as...