Create a fully labeled Crow's Foot ERD using a specialization hierarchy where appropriate (use Visio). The ERD must contain all primary keys, foreign keys, and main attributes. Business rules are defined as follows: A large university consists of several schools. Each school is chaired by one employee. An employee may be the dean of one and only one school. 11:31 am

Create a fully labeled Crow's Foot ERD using a specialization hierarchy where appropriate (use Visio). The ERD must contain all primary keys, foreign keys, and main attributes. Business rules are defined as follows: A large university consists of several schools. Each school is chaired by one employee. An employee may be the dean of one and only one school. 11:31 am

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

Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.

Question

Create a fully labeled Crow's Foot ERD
using a specialization hierarchy where
appropriate (use Visio). The ERD must
contain all primary keys, foreign keys,
and main attributes. Business rules are
defined as follows:
A large university consists of several
schools. Each school is chaired by one
employee. An employee may be the dean
of one and only one school.
11:31 am

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Hello, Just want to check if the attached Crow's Foot ERD is correct for the following problem: Given the information below, create the fully labeled Crow's Foot ERD using a specialization hierarchy where appropriate (use Visio). The ERD must contain all primary keys, foreign keys, and main attributes. Business rules are defined as follows: A large university consists of several schools. Each school is chaired by one employee. An employee may be the dean of one and only one school.
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