625 search results - page 3 / 125 » Genetic algorithms for large join query optimization |
SIGMOD
2003
ACM
14 years 5 months ago
2003
ACM
Recent years witnessed an increasing interest in researches in XML, partly due to the fact that XML has now become the de facto standard for data interchange over the internet. A ...
PVLDB
2008
13 years 5 months ago
2008
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
NGITS
1997
Springer
13 years 9 months ago
1997
Springer
We propose a new algorithm, called Stripe-join, for performing a join given a join index. Stripe-join is inspired by an algorithm called \Jive-join" developed by Li and Ross....
PODS
1999
ACM
13 years 10 months ago
1999
ACM
Query optimizers rely on fast, high-quality estimates of result sizes in order to select between various join plans. Selfjoin sizes of relations provide bounds on the join size of...
VLDB
2001
ACM
13 years 10 months ago
2001
ACM
This paper investigates the problem of incremental joins of multiple ranked data sets when the join condition is a list of arbitrary user-defined predicates on the input tuples. ...