84 search results - page 1 / 17 » Decidable Containment of Recursive Queries |
PODS
2004
ACM
14 years 11 months ago
2004
ACM
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...
ICDT
2003
ACM
14 years 4 months ago
2003
ACM
ER
2008
Springer
14 years 19 days ago
2008
Springer
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
PODS
2000
ACM
14 years 3 months ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
PODS
1998
ACM
14 years 3 months ago
1998
ACM
