Why would the relationships be identifying or nonidentifying

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Reference no: EM131165823

Draw the relationships that follow. Would the relationships be identifying or nonidentifying? Why?

• A patient must be assigned to only one doctor, and a doctor can have many patients.
• An employee has one phone extension, and a unique phone extension is assigned to an employee.
• A movie theater shows many different movies, and the same movie can be shown at different movie theaters around town.

Reference no: EM131165823

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