708 search results - page 2 / 142 » A Genetic Algorithm for Database Query Optimization |
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
The ongoing revolution in life sciences research is producing vast amounts of genetic and proteomic sequence data. Scientists want to pose increasingly complex queries on this dat...
ICDE
1996
IEEE
14 years 8 months ago
1996
IEEE
Query folding refers to the activity of determining if and how a query can be answered using a given set of resources, which might be materialized views, cached results of previou...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...