716 search results - page 19 / 144 » Optimizing Queries in Extended Relational Databases |
VLDB
1990
ACM
15 years 5 months ago
1990
ACM
Even though the large body of knowledge of relational query optimization techniques can be utilized as a starting point for object-oriented query optimization the full exploitatio...
108
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VLDB
1992
ACM
15 years 5 months ago
1992
ACM
In this paper, we discuss issues involving temporal data fragmentation, temporal query processing, and query optimization in multiprocessor database machines. We propose parallel ...
198
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SIGMOD
2006
ACM
16 years 1 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
117
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XSYM
2005
Springer
15 years 7 months ago
2005
Springer
Many of the problems with native XML databases relate to query performance and subsequently, it can be difficult to convince traditional database users of the benefits of using se...
110
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APWEB
2004
Springer
15 years 7 months ago
2004
Springer
Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...