DAISD
1994
14 years 1 months ago
1994
We are interested in the problem of validating the consistency of integrity constraints when data is modi ed. In particular, we consider how constraints can be checked with only p...
COOPIS
1996
IEEE
14 years 4 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...
CSE
2009
IEEE
14 years 7 months ago
2009
IEEE
—Constraints are an important part of role-based access control policies. The safety or security of a system is maintained by enforcing constraints that are specified in the pol...