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Suedyso Suedyso
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5 years ago
Suppose you have created a data model for an airline based on a variety of forms, reports, user interviews, data sources, etc. Your client comes forward with a new desired report that includes passenger weights and a relationship between passengers and employees, neither of which is in your E-R diagram. You should ________.

• create a new, separate E-R diagram with just the new information

• add the relationship and the weight attribute to the existing data model

• add the relationship but not the weight attribute

• add the weight attribute but not the relationship
Textbook 
Database Processing: Fundamentals, Design, and Implementation

Database Processing: Fundamentals, Design, and Implementation


Edition: 15th
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Nikki_LYNNNikki_LYNN
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Suedyso Author
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5 years ago
Thank you
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