What is the difference between a PRIMARY KEY constraint and a UNIQUE constraint?

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Oracle 12c SQL

ISBN: 978-1305251038

3rd edition

Authors: Joan Casteel

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Question Posted: Dec 21, 2018 05:19 AM

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What is the difference between a PRIMARY KEY constraint and a UNIQUE constraint?

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A column with a PRIMAR...View the full answer

Oracle 12c SQL

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