16 search results - page 1 / 4 » Cost-based Optimization of Complex Scientific Queries |
SIGMOD
2000
ACM
13 years 9 months ago
2000
ACM
Testing an SQL database system by running large sets of deterministic or stochastic SQL statements is common practice in commercial database development. However, code defects oft...
SIGMOD
1996
ACM
13 years 8 months ago
1996
ACM
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
VLDB
1998
ACM
13 years 8 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
CLUSTER
2004
IEEE
13 years 8 months ago
2004
IEEE
Improving memory performance at software level is more effective in reducing the rapidly expanding gap between processor and memory performance. Loop transformations (e.g. loop un...
SSDBM
2009
IEEE
13 years 11 months ago
2009
IEEE
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...