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selectivity

GATE CSE & IT · Query Processing · 2021-2021

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Korth — Database System Concepts

Relational model, SQL, normalization, transactions

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2021 PYQ

A relation r(A, B) in a relational database has 1200 tuples. The attribute A has integer values ranging from 6 to 20, and the attribute B has integer values ranging from 1 to 20. A...

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