1004 search results - page 130 / 201 » Safe Constraint Queries |
DKE
2002
13 years 8 months ago
2002
An important issue in data warehouse development is the selection of a set of views to materialize in order to accelerate OLAP queries, given certain space and maintenance time co...
ICDE
1996
IEEE
14 years 10 months ago
1996
IEEE
This paper describes a method to cope with denormalized relational schemas in a database reverse engineering process. We propose two main steps to irnprove the understanding of da...
IIWAS
2004
13 years 10 months ago
2004
It is a fact that many XML query languages lack support for update operations. Those that have minimal support do not concern with preserving documents' constraints, and cons...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
The querying and analysis of data streams has been a topic of much recent interest, motivated by applications from the fields of networking, web usage analysis, sensor instrumenta...
EDBT
2010
ACM
14 years 3 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...