686 search results - page 61 / 138 » A query simulation system to illustrate database query execu... |
PODS
2001
ACM
15 years 11 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...
PDIS
1994
IEEE
15 years 3 months ago
1994
IEEE
Many new database applications require very large volumes of data. Mariposa is a data base system under construction at Berkeley responding to this need. Mariposa objects can be s...
SSDBM
1999
IEEE
15 years 3 months ago
1999
IEEE
In many scientific domains, experimental devices or simulation programs generate large volumes of data. The volumes of data may reach hundreds of terabytes and therefore it is imp...
92
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EDBT
2006
ACM
15 years 11 months ago
2006
ACM
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
184
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ICDE
2005
IEEE
16 years 13 days ago
2005
IEEE
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...