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» Multiple Range Query Optimization in Spatial Databases
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103
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CIKM
2005
Springer
15 years 3 months ago
Selectivity-based partitioning: a divide-and-union paradigm for effective query optimization
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
Neoklis Polyzotis
72
Voted
VLDB
1997
ACM
117views Database» more  VLDB 1997»
15 years 1 months ago
Optimizing Queries Across Diverse Data Sources
Businesses today need to interrelate data stored in diverse systems with differing capabilities, ideally via a single high-level query interface. We present the design of a query ...
Laura M. Haas, Donald Kossmann, Edward L. Wimmers,...
CIDR
2007
116views Algorithms» more  CIDR 2007»
14 years 11 months ago
Managing Query Compilation Memory Consumption to Improve DBMS Throughput
While there are known performance trade-offs between database page buffer pool and query execution memory allocation policies, little has been written on the impact of query compi...
Boris Baryshnikov, Cipri Clinciu, Conor Cunningham...
SIGMOD
2003
ACM
136views Database» more  SIGMOD 2003»
15 years 9 months ago
A Characterization of the Sensitivity of Query Optimization to Storage Access Cost Parameters
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
Frederick Reiss, Tapas Kanungo
MSS
1999
IEEE
115views Hardware» more  MSS 1999»
15 years 1 months ago
Managing Databases with Binary Large Objects
We present recommendations on Performance Management for databases supporting Binary Large Objects (BLOB) that, under a wide range of conditions, save both storage space and datab...
Michael Shapiro, Ethan L. Miller