Question

A fitness center has customers who may work with a personal trainer. Each personal trainer may...

A fitness center has customers who may work with a personal trainer. Each personal trainer may have many clients and must maintain a schedule of when she meets with clients. Draw an E-R diagram for this situation, and make sure to include Primary Key, Foreign Key, Attributes, and Relationships.

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Answer #1

E-R Diagram-

  • This Er model has 3 main entities-
  1. Customer
  2. Trainer
  3. Meet Schedules
  • This Er model has has been converted into 3NF
  • Here each entity and its attributes are in tabular form
  • Data types of each attribute has been mentioned with it
  • The primary key as PK and foriegn key as FK has been mentioned there.If any doubt, please feel free to ask and comment, i would like to answer them.
    Thank you
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