712 search results - page 122 / 143 » Decoupled Query Optimization for Federated Database Systems |
167
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VLDB
2007
ACM
15 years 12 months ago
2007
ACM
In distributed stream processing environments, large numbers of continuous queries are distributed onto multiple servers. When one or more of these servers become overloaded due t...
101
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DKE
2007
14 years 11 months ago
2007
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
116
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CF
2007
ACM
15 years 3 months ago
2007
ACM
In the life sciences, genomic databases for sequence search have been growing exponentially in size. As a result, faster sequencesearch algorithms to search these databases contin...
157
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SIGMOD
2006
ACM
15 years 12 months ago
2006
ACM
Relational XQuery systems try to re-use mature relational data management infrastructures to create fast and scalable XML database technology. This paper describes the main featur...
DEBU
2008
14 years 11 months ago
2008
We present the SQL Performance Analyzer, a novel approach in Oracle Database 11g to testing database changes, such as upgrades, parameter changes, schema changes, and gathering op...