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» Parallelizing query optimization
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VLDB
2002
ACM
129views Database» more  VLDB 2002»
13 years 9 months ago
Optimizing View Queries in ROLEX to Support Navigable Result Trees
An increasing number of applications use XML data published from relational databases. For speed and convenience, such applications routinely cache this XML data locally and acces...
Philip Bohannon, Sumit Ganguly, Henry F. Korth, P....
EWDW
1994
14 years 2 months ago
Optimization of Object-Oriented Queries by Inverse Methods
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
Johann Eder, Heinz Frank, Walter Liebhart
PVLDB
2010
85views more  PVLDB 2010»
13 years 8 months ago
Xplus: A SQL-Tuning-Aware Query Optimizer
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
Herodotos Herodotou, Shivnath Babu
POPL
1997
ACM
14 years 2 months ago
Synchronization Transformations for Parallel Computing
As parallel machines become part of the mainstream computing environment, compilers will need to apply synchronization optimizations to deliver e cient parallel software. This pap...
Pedro C. Diniz, Martin C. Rinard
SIGMOD
2002
ACM
120views Database» more  SIGMOD 2002»
14 years 10 months ago
Exploiting statistics on query expressions for optimization
Statistics play an important role in influencing the plans produced by a query optimizer. Traditionally, optimizers use statistics built over base tables and assume independence b...
Nicolas Bruno, Surajit Chaudhuri