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» Query Optimization in an OODBMS
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VLDB
1987
ACM
100views Database» more  VLDB 1987»
15 years 3 months ago
Optimization of Systems of Algebraic Equations for Evaluating Datalog Queries
A Datalog program can be translated into a system of fixpoint equations of relational algebra; this paper studies how such a system can be solved and optimized for a particular qu...
Stefano Ceri, Letizia Tanca
PVLDB
2008
100views more  PVLDB 2008»
14 years 11 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»
16 years 23 hour ago
Instance optimal query processing in spatial networks
Ke Deng, Xiaofang Zhou, Heng Tao Shen, Shazia W. S...
SIGMOD
2001
ACM
147views Database» more  SIGMOD 2001»
15 years 12 months ago
Optimizing Queries Using Materialized Views: A practical, scalable solution
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
Jonathan Goldstein, Per-Åke Larson
VLDB
2005
ACM
139views Database» more  VLDB 2005»
15 years 5 months ago
Analyzing Plan Diagrams of Database Query Optimizers
A “plan diagram” is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. In this paper, we present and an...
Naveen Reddy, Jayant R. Haritsa