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The primary key is used both to identify unique rows in a relation and to represent rows in relationships.

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Recommended Textbook for

Machine Learning And Knowledge Discovery In Databases Applied Data Science Track European Conference Ecml Pkdd 2021 Bilbao Spain September 13 17 2021 Proceedings Part 4 Lnai 12978

Authors: Yuxiao Dong ,Nicolas Kourtellis ,Barbara Hammer ,Jose A. Lozano

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3030865134, 978-3030865139

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