782 search results - page 9 / 157 » Query interactions in database workloads |
PODS
2003
ACM
14 years 8 months ago
2003
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...
PVLDB
2008
13 years 8 months ago
2008
Reading and perceiving complex SQL queries has been a time consuming task in traditional database applications for decades. When it comes to decision support systems with automati...
PODS
1997
ACM
14 years 19 days ago
1997
ACM
We consider the problem of indexing general database workloads (combinations of data sets and sets of potential queries). We de ne a framework for measuring the eciency of an ind...
ICDT
2005
ACM
14 years 1 months ago
2005
ACM
In recent years wavelets were shown to be effective data synopses. We are concerned with the problem of finding efficiently wavelet synopses for massive data sets, in situations...
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
Decision support queries that scan large indexes can suffer significant degradation in I/O performance due to index fragmentation. DBAs rely on rules of thumb that use index size a...