Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Please DRAW a normalized ER diagram for the following situation: Unidiner is a university dining service organization that provides dining services to a major university.

The following describes part of the business.
Develop a conceptual ER diagram that captures business facts
● The organization sets up a team of its staff to work on each event. Each staff has a name, salary, and some skills. Each staff can be part of different teams.
● The organization assigns one of the staff as the supervisor of the team who supervises the team during the event.
● Each event has a date, location and time.
● For each staff in a team, there is a working start time, working end time and position defined.
● The organization has menus. For each event, the university chooses one of the menus to be served at the event. Each menu has a description and a type.
● Each menu contains several dishes, and each dish could be included in different menus. Each dish has a name, preparation time and some ingredients.

Please draw it out 

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