Suppose that privilege (a) of Exercise 23.1 is to be given with GRANT OPTION but only so that account A can grant it to at most five accounts, and each of these accounts can propagate the privilege to other accounts but without the GRANT OPTION privilege. What would the horizontal and vertical propagation limits be in this case?
Exercise 23.1
Discuss what is meant by each of the following terms: database authorization, access control, data encryption, privileged (system) account, database audit, audit trail.
a. Discuss the types of privileges at the account level and those at the relation level.