2067 search results - page 5 / 414 » Modeling and exploiting query interactions in database syste... |
EDBT
2009
ACM
15 years 1 months ago
2009
ACM
We investigate the problem of refining SQL queries to satisfy cardinality constraints on the query result. This has applications to the many/few answers problems often faced by da...
IDEAS
2009
IEEE
14 years 7 months ago
2009
IEEE
We consider the class of database programs and address the problem of minimizing the cost of their exchanges with the database server. This cost partly consists of query execution...
EDBT
2009
ACM
15 years 2 months ago
2009
ACM
Decision Support Systems (DSS) are information systems that support decision making processes. In many scenarios these systems are built on top of data managed by DBMSs and make e...
DEXA
2003
Springer
15 years 2 months ago
2003
Springer
Query optimizers in current database management systems (DBMS) often face problems such as intolerably long optimization time and/or poor optimization results when optimizing compl...
EDBT
2010
ACM
15 years 4 months ago
2010
ACM
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...