Question

5. Which of the following statements is true?
a) A table may or may not have a primary key.
b) A combination of two fields makes a primary key.
c) A primary key uniquely identifies a record.
d) A primary key can be repeated.​

Answer 1

a) True

b) False

c) True

d) False

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Answer 2

Explanation:

Option (A) and (C) are true