3225 search results - page 118 / 645 » Query Optimization by Stored Queries |
VLDB
2009
ACM
14 years 9 months ago
2009
ACM
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
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, ...
VLDB
1987
ACM
14 years 11 days 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...
PVLDB
2008
13 years 8 months ago
2008
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...
EDBT
2012
ACM
11 years 11 months ago
2012
ACM
We present an effective optimization framework for general SQLlike map-reduce queries, which is based on a novel query algebra and uses a small number of higher-order physical ope...