81 search results - page 1 / 17 » Integration of Buffer Management and Query Optimization in R... |
VLDB
1989
ACM
13 years 9 months ago
1989
ACM
SIGMOD
2008
ACM
14 years 5 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
IDEAS
2010
IEEE
13 years 3 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
BTW
2003
Springer
13 years 10 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
This demonstration shows an integrated query processing environment where users can seamlessly query both a data stream management system and a sensor network with one query expre...