995 search results - page 9 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
PODS
2004
ACM
14 years 7 months ago
2004
ACM
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...
ICDE
2003
IEEE
14 years 8 months ago
2003
IEEE
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
Query processing is one of the most, critical issues in Object-Oriented DBMSs. Extensible opt,imizers with efficient, search strategies require a cost model to select the most eff...
APWEB
2004
Springer
14 years 26 days ago
2004
Springer
Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...