Give a Relational Model that corresponds to the Entity-RelationshipDiagram given below:addressMMParticipates1ЕвployeeProjectUsesSupplier1personmarried toltiis_Harried toCityYou can present this model as a Relational Database Schema or as adiagram. It must be clearly stated what primary and what foreign keysare and what the foreign keys reference. You may want to use thetranslation explained in Topic 2.2, but only provide your final result(don't show your working). In your schema you are supposed to usethe same names for attributes and relations as given in the diagram. 3. Give TWO constraints on relationship is Married.To that are not inthe Entity-Relationship diagram above, because they cannot be ex-pressed as structural constraints. The constraints should not be do-main constraints but concern how entities can be associated in thisrelationship.[12 marks]

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Answered: Give a Relational Model that…

Give a Relational Model that corresponds to the Entity-Relationship Diagram given below: address M Uses M Eaployee Participates Project Supplier wlie persen married to lati is Harried_to city

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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Usually, computer science seems like a practical field that involves studying, building, and working closely with computers. However, a subclass of this discipline also centers on the mathematical factors of the same. This is called theoretical computer science, and its focal point differentiates it from other branches of computer science: the rigorous mathematical approach it takes. This discipline falls under the umbrella of discrete mathematics, which is the study of countable or discontinuous mathematical structures.

Question

Give a Relational Model that corresponds to the Entity-Relationship
Diagram given below:
address
M
M
Participates
1
Евployee
Project
Uses
Supplier
1
person
married to
lti
is_Harried to
City
You can present this model as a Relational Database Schema or as a
diagram. It must be clearly stated what primary and what foreign keys
are and what the foreign keys reference. You may want to use the
translation explained in Topic 2.2, but only provide your final result
(don't show your working). In your schema you are supposed to use
the same names for attributes and relations as given in the diagram.

3. Give TWO constraints on relationship is Married.To that are not in
the Entity-Relationship diagram above, because they cannot be ex-
pressed as structural constraints. The constraints should not be do-
main constraints but concern how entities can be associated in this
relationship.
[12 marks]

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