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» Rank-aware Query Optimization
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SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
14 years 4 months ago
Dependency-aware reordering for parallelizing query optimization in multi-core CPUs
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
Wook-Shin Han, Jinsoo Lee
ICDE
2003
IEEE
161views Database» more  ICDE 2003»
14 years 11 months ago
Structural Join Order Selection for XML Query Optimization
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish
PVLDB
2008
100views more  PVLDB 2008»
13 years 9 months ago
Efficiently approximating query optimizer plan diagrams
Given a parametrized n-dimensional SQL query template and a choice of query optimizer, a plan diagram is a color-coded pictorial enumeration of the execution plan choices of the o...
Atreyee Dey, Sourjya Bhaumik, Harish D., Jayant R....
VLDB
2009
ACM
124views Database» more  VLDB 2009»
14 years 10 months ago
Instance optimal query processing in spatial networks
Ke Deng, Xiaofang Zhou, Heng Tao Shen, Shazia W. S...
SIGMOD
2011
ACM
331views Database» more  SIGMOD 2011»
13 years 14 days ago
Query optimization techniques for partitioned tables
Table partitioning splits a table into smaller parts that can be accessed, stored, and maintained independent of one another. From their traditional use in improving query perform...
Herodotos Herodotou, Nedyalko Borisov, Shivnath Ba...