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Author Question: When representing a one-to-many relationship in a relational database design, ________. A) the ... (Read 116 times)

123654777

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on: Jul 7, 2018
When representing a one-to-many relationship in a relational database design, ________.
 
  A) the parent is always on the one side of the one-to-many relationship
  B) the child is always on the one side of the one-to-many relationship
  C) either parent or child can be on the one side of the one-to-many relationship, and the choice is arbitrary
  D) either parent or child can be on the one side of the one-to-many relationship, and special criteria indicate which table should be on the one side

Question 2

An entity that holds specialized attributes that distinguish it from one or more other similar entities is a ________.
 
  A) supertype
  B) subtype
  C) discriminator
  D) parent


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bob

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Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

B


123654777

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Reply 2 on: Jul 7, 2018
Gracias!

blakcmamba

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Reply 3 on: Yesterday
Wow, this really help

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