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Mathematics, 02.10.2019 16:30 juansebas35

The 4-tuples in a 4-ary relation represent these attributes of published books:
title, isbn, publication date, number of pages. what is the likely primary key for this relation? under what conditions would (title, publication date) be a composite key?

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The 4-tuples in a 4-ary relation represent these attributes of published books:
title, isbn,...

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