24 search results - page 1 / 5 » Incorporating partitioning and parallel plans into the SCOPE... |
ICDE
2010
IEEE
13 years 11 months ago
2010
IEEE
— Massive data analysis on large clusters presents new opportunities and challenges for query optimization. Data partitioning is crucial to performance in this environment. Howev...
VLDB
1995
ACM
13 years 8 months ago
1995
ACM
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...
PVLDB
2008
13 years 4 months ago
2008
Companies providing cloud-scale services have an increasing need to store and analyze massive data sets such as search logs and click streams. For cost and performance reasons, pr...
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...
EDBTW
2006
Springer
13 years 8 months ago
2006
Springer
A data stream management system executes a large number of continuous queries in parallel. As stream characteristics and query workload change over time, the plan initially install...