CIW 1D0-541 Exam - Topic 5 Question 13 Discussion
Which of the following describes two desirable characteristics of a primary key?
B) A primary key should be a value that is not null and will never change.
A) A primary key should be a value that may be null and may change over time.
C) A primary key should consist of meaningful data and a value that can be changed if needed.
D) A primary key should not consist of meaningful data and a value that can be changed if needed.
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