The fields which is designed as the primary key of a table cannot have _____________.
(a) Values (b) Duplicate values
(c) Numbers (d) Text
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Answer:
the answer to your question is text.
Explanation:
A primary key is a field or set of fields with values that are unique throughout a table. Values of the key can be used to refer to entire records, because each record has a different value for the key. Each table can only have one primary key.
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