Multiple Choice
Which of the following is not true for an ideal primary key?
A) a composite of several long attributes
B) numeric
C) fixed
D) short
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q62: Using the VRG database as an example,briefly
Q63: Discriminator attributes can be represented in relational
Q64: When the parent entity has a surrogate
Q65: In representing a 1:N relationship in a
Q66: The first step in the database design
Q68: When transforming supertype/subtype entities into a relational
Q69: Which of the following is not true
Q70: Many-to-many relationships are represented by _.<br>A)two tables
Q71: What are the four sets of minimum
Q72: Which of the following is not a