Which of the following is a fundamental operation in relational algebra ? Options: A . &nbspSet intersection B . &nbspNatural join C . &nbspAssignment D . &nbspNone of the mentioned

Which of the following is a fundamental operation in relational algebra ?

Question

Which of the following is a fundamental operation in relational algebra ?

Options:

A . Set intersection

B . Natural join

C . Assignment

D . None of the mentioned

Answer: Option D

None of the mentionedThe fundamental operations are select, project, union, set difference, Cartesian product, and rename.

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Question 1. For select operation the ________ appear in the subscript and the ___________ argument appears in the paranthesis after....the ___________ argument appears in the paranthesis after the sigma.

Question 2. Which is a unary operation: ....

Question 3. The assignment operator is denoted by ....

Question 4. Which of the following is not outer join ? ....

Question 5. Which is a join condition contains an equality operator: ....

Question 6. In precedence of set operators the expression is evaluated from ....

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