995 search results - page 40 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
127
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EDBT
2009
ACM
15 years 8 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
142
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ICDE
2011
IEEE
14 years 5 months ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
DEXA
2000
Springer
15 years 6 months ago
2000
Springer
Page ordering is to define the order of pages in one-dimensional storage for storing two-dimensional spatial data to reduce the number of disk seeks. Previous works relating to pag...
190
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SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
The ParAccel Analytic DatabaseTM is a fast shared-nothing parallel relational database system with a columnar orientation, adaptive compression, memory-centric design, and an enha...
245
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ICDE
2008
IEEE
16 years 3 months ago
2008
IEEE
In this paper we explore database segmentation in the context of a column-store DBMS targeted at a scientific database. We present a novel hardware- and scheme-oblivious segmentati...