Which one of the following is TRUE about foreign key field for a given table?

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a) it is a field that uniquely identifies the record in the table

b) the values for the foreign key field can have similar values in different record

c) the values for the foreign key field cannot have duplicate values in different record

d) none of the above

Which one of the following is TRUE about foreign key field for a given table?

jawaban:

c) the values for the foreign key field cannot have duplicate values in different record