1160 search results - page 123 / 232 » Query Processing and Optimization for Pictorial Query Trees |
SIGMOD
1999
ACM
15 years 5 months ago
1999
ACM
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
176
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SIGMOD
2007
ACM
16 years 1 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...
200
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SIGMOD
2009
ACM
16 years 1 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
118
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EDBT
2004
ACM
16 years 1 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...
128
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VLDB
2007
ACM
15 years 7 months ago
2007
ACM
This paper describes Continuous Queries (CQ) in Oracle RDBMS, a feature that incorporates stream and complex event processing into an RDBMS, the first such attempt in commercial d...