Answered Essay: Fish Fancy, a magazine for fish enthusiasts, wants to keep track of its journalists, ph

Fish Fancy, a magazine for fish enthusiasts, wants to keep track of its journalists, photographers, articles, and photos.

An article is authored by one journalist (who is identified by an id, and also has a name, date of birth, and year started in the profession). An article has a unique id, a date, a title, and a length. An article doesn’t always have photos within it, but it may also have multiple. A photo has a unique id, a date taken, and a subtext. A photo is taken by a photographer, and information to track about each photographer includes his/her unique id, name, and expertise. Although not frequent, it is possible for a given photo to be used in many different articles.

Draw the conceptual data model (following the textbook’s conventions) to accurately represent the above situation. Please do not show FKs in your data model; this is a technical concern, not a conceptual one!

Expert Answer


Conceptual Model for given problem is as follows:


  • An journalist has unique id name jour_id as primary key and has name , dob and yaer started that are authored one or more articles.
  • An article has unique article id as primary key, and has date, title and length and has zero or many photos.
  • An Photo has photo id as unique and date taken and subtext as other attributes and taken by only one photographer.
  • A photographer has Photographer id as primary key and name and expertise area and click many pics.
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