apply your knowlege chapter 9

apply your knowlege chapter 9 - Puppy Palace works with TV...

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Puppy Palace works with TV and movie producers who need dogs that can perform special tricks, such as headstands, somersaults, ladder climbs, and various dog-and pony tricks. Puppy Palace has about 16 dogs and a list of 50 tricks from which to choose. Each dog can perform one or more tricks, and many tricks can be performed by more than one dog. When a dog learns a new trick, the trainer assigns a skill level. Some customers insist on using dogs that score a 10, which is the highest skill level. As an IT consultant, you have been asked to suggest 3NF table designs. You are fairly certain that a M:N relationship exists between dogs and tricks. 1. Draw an ERD for the Puppy Palace information system. 2. Indicate cardinality. Dog to skill level is an M and skill level to trick is an N. 3. Identify all fields you plan to include in the dogs and tricks tables. For example, in the dogs table, you might want breed, size, age, name, and so on. In the tricks
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  • Winter '10
  • Skill Level, Puppy Palace

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