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Which of the following is not a relational algebra function?

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Which of the following is not a relational algebra function?

(a) Select

(b) Project

(c) Manipulate

(d) Union

The question was posed to me in class test.

This question is from The Relational Algebra topic in chapter Intermediate and Advanced Sql of RDBMS

1 Answer

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Best answer
Right choice is (c) Manipulate

Explanation: There does not exist any operation named as manipulate operation in relational algebra. The union gives the union of two sets. Project is similar to select in SQL and select is similar to where in SQL.

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