2217 search results - page 186 / 444 » Rank-aware Query Optimization |
164
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VLDB
1993
ACM
15 years 10 months ago
1993
ACM
III this paper we address the problem of controlling the execution of a query optimizer. We describe a control for the optimization process that is based on planning. The controll...
260
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PODS
2009
ACM
16 years 7 months ago
2009
ACM
The B-tree is a fundamental external index structure that is widely used for answering one-dimensional range reporting queries. Given a set of N keys, a range query can be answere...
167
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SIGMOD
1993
ACM
15 years 10 months ago
1993
ACM
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
161
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VLDB
1987
ACM
15 years 10 months ago
1987
ACM
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...
165
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SIGMOD
2008
ACM
15 years 6 months ago
2008
ACM
Automated physical design tuning for database systems has recently become an active area of research and development. Existing tuning tools explore the space of feasible solutions...