I have a query about ISBN. Some books have one ISBN, SOME have two. Is it appropriate to use ISBN AS a primary key for a book table ( as I have seen it in one book).
What is ISBN basically. What can be the appropriate primary key for book & other products like laptops.
kedarkhedkar
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Jump to PostISBN is a unique identifier for a publication.
You could use it as a primary key, but that would only work if you don't intend to ever have more than one copy of any specific edition of any specific title.
It will also not work if you consider different editions …
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