_______________ allows a system administrator to associate a function with a relation; the function returns a predicate that must be added to any query that uses the relation.
(a) OpenID
(b) Single-site system
(c) Security Assertion Markup Language (SAML)
(d) Virtual Private Database (VPD)
I had been asked this question during an interview.
Asked question is from Application Security in portion Database Programming Techniques of Database Management