42 search results - page 1 / 9 » Integrity Constraint Checking in Federated Databases |
COOPIS
1996
IEEE
13 years 8 months ago
1996
IEEE
A federated database is comprised of multiple interconnected database systems that primarily operate independently but cooperate to a certain extent. Global integrity constraints c...
BNCOD
1998
13 years 5 months ago
1998
Correct transformations and integrations of schemata within the process of federated database design have to encompass existing local integrity constraints. Most of the proposed me...
OTM
2005
Springer
13 years 10 months ago
2005
Springer
The maintenance of global integrity constraints in database federations is still a challenge since traditional integrity constraint management techniques cannot be applied to such ...
CLEIEJ
2006
13 years 4 months ago
2006
This paper presents a solution to check referential integrity constraints and conjunctive global constraints in a relational multi database system. It also presents the experiment...
ADC
1993
Springer
13 years 8 months ago
1993
Springer
We present a procedure for deriving the weakest precondition for a database update and an integrity constraint. We show how to simplify the weakest precondition to produce a condi...