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» Optimizing Write Performance for Read Optimized Databases
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IEEEPACT
2006
IEEE
14 years 1 months ago
Whole-program optimization of global variable layout
On machines with high-performance processors, the memory system continues to be a performance bottleneck. Compilers insert prefetch operations and reorder data accesses to improve...
Nathaniel McIntosh, Sandya Mannarswamy, Robert Hun...
IDEAS
2003
IEEE
106views Database» more  IDEAS 2003»
14 years 1 months ago
Frequent Itemsets Mining for Database Auto-Administration
With the wide development of databases in general and data warehouses in particular, it is important to reduce the tasks that a database administrator must perform manually. The a...
Kamel Aouiche, Jérôme Darmont, Le Gru...
VLDB
1998
ACM
101views Database» more  VLDB 1998»
13 years 12 months ago
On Optimal Node Splitting for R-trees
The problem of finding an optimal bipartition of a rectangle set has a direct impact on query performance of dynamic R-trees. During update operations, overflowed nodes need to be...
Yván J. García, Mario A. Lopez, Scot...
ICDE
2010
IEEE
250views Database» more  ICDE 2010»
14 years 5 months ago
Optimized Query Evaluation Using Cooperative Sorts
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
Yu Cao, Ramadhana Bramandia, Chee-Yong Chan, Kian-...
VLDB
2001
ACM
123views Database» more  VLDB 2001»
14 years 5 days ago
User-Optimizer Communication using Abstract Plans in Sybase ASE
imizer Communication using Abstract Plans in Sybase ASE Query optimizers are error prone, due to both their nature and the increased search space that modern query processing requ...
Mihnea Andrei, Patrick Valduriez