189 search results - page 33 / 38 » Translating and Optimizing SQL Queries Having Aggregates |
SIGMOD
2008
ACM
15 years 6 months ago
2008
ACM
Virtual machine monitors are becoming popular tools for the deployment of database management systems and other enterprise software applications. In this paper, we consider a commo...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
PODS
2005
ACM
14 years 7 months ago
2005
ACM
Program analysis has been increasingly used in software engineering tasks such as auditing programs for security vulnerabilities and finding errors in general. Such tools often re...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
METU INteroperable Database System (MIND) is a multidatabase system that aims at achieving interoperability among heterogeneous, federated DBMSs. MIND architecture is based on OMG...