What is a likely primary key for this relation

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Reference no: EM131167609

The 4-tuples in a 4-ary relation represent these attributes of published books: title, ISBN, publication date, number of pages.

a) What is a likely primary key for this relation?

b) Under what conditions would (title, publication date) be a composite key?

c) Under what conditions would (title, number of pages) be a composite key

Reference no: EM131167609

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