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DBSEC
2000
13 years 6 months ago
2000
DBSEC
2000
13 years 6 months ago
2000
DBSEC
2000
13 years 6 months ago
2000
Database systems are being more and more used, with larger sized databases, and as components of very complex systems, that include numerous protocols. Database security problems ...
DBSEC
2000
13 years 6 months ago
2000
We propose two extensions to the SQL grant/revoke security model. In SQL, grants are unconditional, so the grantor must simply trust the recipient's discretion. We allow a gr...
DBSEC
2000
13 years 6 months ago
2000
The premises of this paper are 1) security is application dependent because application semantics directly influence proper protection; but 2) applications are generally too compl...