164 search results - page 20 / 33 » A Relational Algebra for Functional Logic Deductive Database... |
FMLDO
1990
Springer
15 years 1 months ago
1990
Springer
Object-oriented database systems (ooDBMSs) are supposed to offer at least the functionality available in commercial relational DBMSs of today. One important consequence of this is...
PODS
2010
ACM
14 years 10 months ago
2010
ACM
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
HASKELL
2008
ACM
14 years 11 months ago
2008
ACM
Eight years ago, functional dependencies, a concept from the theory of relational databases, were proposed as a mechanism for avoiding common problems with multiple parameter type...
SBBD
2004
14 years 11 months ago
2004
Multi-valued dependencies (MVDs) are an important class of constraints that is fundamental for relational database design. Although modern applications increasingly require the su...
VLDB
1997
ACM
15 years 2 months ago
1997
ACM
We present a multi-dimensional database model, which we believe can serve as a conceptual model for On-Line Analytical Processing (OLAP)-based applications. Apart from providing t...