Question
The Pet Walkers is a system that connects Dog Owners, who need their dogs walked, with Dog Walkers, who offer their services walking dogs. Dog
The Pet Walkers is a system that connects Dog Owners, who need their dogs walked, with Dog Walkers, who offer their services walking dogs. Dog owners fill in information forms about their dog(s) that need to be walked (e.g. Breed, Weight, Color, Location, Days of week/Times walks are needed, Price per walk, etc.). Pet Walkers who register with the service can search the system to find dogs who need to be walked (e.g., only will walk dogs who are paying $8 or more per walk, who are within 3 miles of their home, etc). The Pet Walker will then contact the dog owners directly, by email or a phone call, to meet for an interview and possibly get hired. Dog owners call the service to delete their dogs listing when they have hired a dog walker. A Dog Walker will walk zero to many dogs and a Dog is walked by one and only one dog walker A Dog is owned by one and only one Dog Owner and a Dog Owner owns one or more Dogs Fill out an ERD with the following: Identify the Entities Identify and draw three entities based on the above description (3 points). Identify the Attributes Include at least five uniquely named attributes for each of the three entities. If the above information does not include at least five attributes, you will need to create your own attributes that will properly describe each entity. Each entity should have a single unique identifier. Attributes should have a unique name that is not the same attribute name for another entity (Primary Key) (3 points). Identify the Relationships - Determine how the entities are related to each other and document with the proper cardinality/modality based on the above description (3 points).
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