995 search results - page 110 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
154
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PVLDB
2010
15 years 3 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
124
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WWW
2002
ACM
16 years 5 months ago
2002
ACM
We present an algorithm for translating XSLT programs into SQL. Our context is that of virtual XML publishing, in which a single XML view is defined from a relational database, an...
148
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EDBT
2004
ACM
16 years 5 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
249
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ICDE
2009
IEEE
16 years 6 months ago
2009
IEEE
A Business Process (BP) consists of some business activities undertaken by one or more organizations in pursuit of some business goal. Tools for querying and analyzing BP specifica...
148
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EDBT
2006
ACM
16 years 5 months ago
2006
ACM
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...