3.The following ER diagram is designed for the situation described in Chapter 2 Problems andExercises 2-39a on page 104. Transform the following E-R diagram to a relational schema thatshows referential integrity constraints, primary keys and foreign keys.F5EMPLOYEEEmployee IDEmployee NameEmployee AddressEmployee Birthdatehp 11 part a.pptxAAnswer the above questions and solve the problems. Write your answers and draw the graphicmodels in a MS Doc file.MacBook Air*F6&Billing RateChp 11 part b.pptx<<F7PROJECTProject IDOProject NameProject Start DateDIIF8Chp 13 includin....pptxF9F10F11

Answered: 3.The following ER diagram is designed…

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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3.The following ER diagram is designed for the situation described in Chapter 2 Problems and
Exercises 2-39a on page 104. Transform the following E-R diagram to a relational schema that
shows referential integrity constraints, primary keys and foreign keys.
F5
EMPLOYEE
Employee ID
Employee Name
Employee Address
Employee Birthdate
hp 11 part a.pptx
A
Answer the above questions and solve the problems. Write your answers and draw the graphic
models in a MS Doc file.
MacBook Air
*
F6
&
Billing Rate
Chp 11 part b.pptx
<<
F7
PROJECT
Project ID
OProject Name
Project Start Date
DII
F8
Chp 13 includin....pptx
F9
F10
F11

Expert Solution

Step 1

E-R diagram:-

An Entity-Relationship (E-R) diagram is a type of diagram used to represent the relationship between entities in a database. An E-R diagram is made up of entities (or objects) which are represented by rectangles, and relationships between entities, which are represented by lines connecting the entities. Each entity is typically associated with a set of attributes, which are represented by ovals. The lines connecting the entities in the diagram typically indicate the type of relationship between the entities, such as one-to-many, many-to-many, and so on. An E-R diagram is a useful tool for visualizing the structure of a database, and it can be used to design and implement a database.

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