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Which of the following keywords is used beside the select clause to explicitly specify that duplicates are not removed?

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Which of the following keywords is used beside the select clause to explicitly specify that duplicates are not removed?

(a) all

(b) not unique

(c) notnull

(d) include

I got this question in an internship interview.

My enquiry is from Basic Operations in division Introduction to Relational Model and Sql of RDBMS

1 Answer

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Best answer
The correct answer is (a) all

To elaborate: The “all” keyword is used beside the select clause to explicitly specify that duplicates are not removed.

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