363 search results - page 11 / 73 » Analyzing Plan Diagrams of Database Query Optimizers |
XSYM
2007
Springer
14 years 1 months ago
2007
Springer
To globally optimize execution plans for XQuery expressions, a plan generator must generate and compare plan alternatives. In proven compiler architectures, the unit of plan genera...
PVLDB
2010
13 years 2 months ago
2010
Experience with relational systems has shown that distribution is an effective way of improving the scalability of query evaluation. In this paper, we show how distributed query e...
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
VLDB
1999
ACM
13 years 12 months ago
1999
ACM
XML is an emerging standard for data representation and exchange on the World-Wide Web. Due to the nature of information on the Web and the inherent flexibility of XML, we expect...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing per...