149 search results - page 19 / 30 » Optimization of Multi-Way Join Queries for Parallel Executio... |
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
SIGMOD
1996
ACM
15 years 1 months ago
1996
ACM
Scheduling query execution plans is an important component of query optimization in parallel database systems. The problem is particularly complex in a shared-nothing execution en...
115
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DASFAA
2004
IEEE
15 years 1 months ago
2004
IEEE
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...
158
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...
ISORC
2006
IEEE
15 years 3 months ago
2006
IEEE
Open multithreaded transactions constitute building blocks that allow a developer to design and structure the execution of complex distributed systems featuring cooperative and co...