Maurice Tutor

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Teaching Since: May 2017
Last Sign in: 406 Weeks Ago, 6 Days Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 30 Aug 2017 My Price 6.00

Entity Relationship Model

You are required to produce an Entity Relationship Model (diagram) for a very simple electrical utility company prior to a full implementation of a relational database for the company’s activities. Your model should capture the key relationships (mappings) that exist between a small number of Entity Sets. These are provided for you below. In your completed Entity Relationship Model, you should define the Relationship Sets that describe the relationships that exist between the Entity Sets. Entity Sets Customers Call Centres Repair Departments Installation Departments Account Departments Equipment Departments Relationships (Mappings) Many Customers call many Call Centres Many Call Centres inform a single Repair Department Many Call Centres inform a single Installation Department Many Call Centres inform a single Account Department A single Repair Department visits many Customers A single Installation Department visits many Customers A single Account Department deals with many Customers Many Equipment Departments deal with many Repair Departments

Answers

Maurice Tutor
(5)
Status NEW Posted 30 Aug 2017 10:08 PM My Price 6.00

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