Which of the following types of constraints cant be created at the table level? a. NOT NULL

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Which of the following types of constraints can’t be created at the table level?
a. NOT NULL
b. PRIMARY KEY
c. CHECK
d. FOREIGN KEY
e. None of the above constraints can be created at the table level.

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Oracle 12c SQL

ISBN: 978-1305251038

3rd edition

Authors: Joan Casteel

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