Author Question: When representing a one-to-many relationship in a relational database design, ________. A) the ... (Read 103 times)

123654777 · **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