Multiple Choice
Which of the following is false regarding a well-structured relational database?
A) A foreign key cannot be null.
B) A primary key cannot be null.
C) Every column in a row must be single valued.
D) All nonkey attributes in a table must describe a characteristic of the object identified by the primary key.
Correct Answer:
Verified
Correct Answer:
Verified
Q63: Which of the following would not be
Q64: Kitchen World is changing its inventory system
Q65: The database design method in which a
Q66: Which would not generally be considered a
Q67: Emma Kolb is a system analyst at
Q69: Mara Kay is a system analyst for
Q70: Helen Fume is a recruiter with The
Q71: When the human resources manager wants to
Q72: The _ occurs when more than one
Q73: Reports produced using the data dictionary could