1500 search results - page 177 / 300 » Query Optimization in Database Grid |
142
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Structural indices play a significant role in improving the efficiency of XML query evaluation. Being able to compare various structural indexing techniques is critical for a DBM...
275
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PODS
2009
ACM
16 years 7 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
167
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GIS
2007
ACM
15 years 10 months ago
2007
ACM
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
151
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SIGMOD
1996
ACM
15 years 10 months ago
1996
ACM
Scheduling query execution plans is an important component of query optimization in parallel database systems. The problem is particularly complex in a shared-nothing execution en...
158
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
In this paper we describe novel techniques that make it possible to build an industrial-strength tool for automating the choice of indexes in the physical design of a SQL database...