Answered: Staff_code CountryCode Staff_name…

Staff_code CountryCode Staff_name COUNTRY STAFF belongs Degree Country_name Specialization Continent JoinYears Date_of_joining DESC CODE

Np Ms Office 365/Excel 2016 I Ntermed

1st Edition

ISBN:9781337508841

Author:Carey

Publisher:Carey

Chapter7: Developing An Excel Application

Section: Chapter Questions

Problem 3RA

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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

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S.N. Question Write your Answer 1 Simple Attributes (any 2) 2 Composite Attribute 5 Derived attribute 6 Relationship is (1-to-1/ 1-to-many/many-to-many) 7 Participation of COUNTRY is (Optional/Mandatory) 8 Participation of STAFF is (Optional/Mandatory) Just answer without explanation

Staff_code
CountryCode
Staff_name
COUNTRY
STAFF
belongs
Degree
Country_name
Specialization
Continent
JoinYears
Date_of_joining
DESC
CODE

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