Orion - A model for authorizaton. By Gigi Shum and Chi-Fung Wong. Introduction. Database security Protect data in the Database Do so by restricting/determining access Most models on authorizations thus far have been on relational databases.
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By Gigi Shum and Chi-Fung Wong
W>R, W>C, R>RD, C>RD
Authorization Object Schema for an Object Oriented Database authorization for a given access privilege on a object. They can grant authorizations to other users. When they explicitly grant authorizations, implicit authorizations based on the implication relationships between the access privileges and the rules of propagation are automatically given.