In a PhD program, students join a particular specialization offered by a department. Aspecialization with same title (e.g., DBMS) may be offered by one/more depts independently. Teachers are appointed to a specific department and given a room and telephone. Each department should have a teacher who serves as its head. Courses are offered under various specializations. A teacher may teach many courses and a course may be taught by many. A student studies a course under a teacher during some semester (e.g., semester 1 of 2019), and is awarded a grade. At eacher’s research interest may lie in one/more specializations. Courses have one/more/zerop prerequisites Construct an E-R diagram for the above specification. Document all assumptions.

In a PhD program, students join a particular specialization offered by a department. Aspecialization with same title (e.g., DBMS) may be offered by one/more depts independently. Teachers are appointed to a specific department and given a room and telephone. Each department should have a teacher who serves as its head. Courses are offered under various specializations. A teacher may teach many courses and a course may be taught by many. A student studies a course under a teacher during some semester (e.g., semester 1 of 2019), and is awarded a grade. At eacher’s research interest may lie in one/more specializations. Courses have one/more/zerop prerequisites Construct an E-R diagram for the above specification. Document all assumptions.

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter1: Overview Of Database Concepts

Section: Chapter Questions

Problem 4RQ

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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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In a PhD program, students join a particular specialization offered by a department. Aspecialization with same title (e.g., DBMS) may be offered by one/more depts independently.

Teachers are appointed to a specific department and given a room and telephone. Each department

should have a teacher who serves as its head. Courses are offered under various specializations.

A teacher may teach many courses and a course may be taught by many. A student studies a course

under a teacher during some semester (e.g., semester 1 of 2019), and is awarded a grade. At eacher’s research interest may lie in one/more specializations. Courses have one/more/zerop prerequisites

Construct an E-R diagram for the above specification. Document all assumptions.

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