9. Specify the take grant model using SPM. Let the subject type be subject and object type be object. Fill up the following Answer: TS = TO = RC = RI = For all subjects p and q link (p, q) = f(subject, subject) = can-create and create rules cr (subject, subject) = cr (subject, object) = cc =

9. Specify the take grant model using SPM. Let the subject type be subject and object type be object. Fill up the following Answer: TS = TO = RC = RI = For all subjects p and q link (p, q) = f(subject, subject) = can-create and create rules cr (subject, subject) = cr (subject, object) = cc =

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

System Model Approaches

The systems model approach is a process-oriented representation that emphasizes the impact or flow of information between modules. The multidisciplinary study of the use of models to design and create systems in business and IT development is known as systems model approach. It models how processes interact and what these processes do, but it does not go into detail about how these processes are implemented. Functional decomposition may be utilized to enhance the models employed in this technique, and they can be coupled to requirements models for additional system partitioning.

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9. Specify the take grant model using SPM. Let the subject type be subject and
object type be object. Fill up the following
Answer:
TS =
TO =
RC =
RI =
For all subjects p and q
link (p, q) =
f(subject, subject)
can-create and create rules
cr (subject, subject) =
cr (subject, object)
=
II

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