6 search results - page 1 / 2 » Green Query Optimization: Taming Query Optimization Overhead... |
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
PLASTIC [1] is a recently-proposed tool to help query optimizers significantly amortize optimization overheads through a technique of plan recycling. The tool groups similar quer...
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
EDBT
2006
ACM
14 years 4 months ago
2006
ACM
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...
SIGMOD
2007
ACM
14 years 4 months ago
2007
ACM
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and we need to ru...
ICDE
2010
IEEE
13 years 11 months ago
2010
IEEE
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...