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GATE 2023 Databases Rank Booster Quiz 40

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Question 1

Which of the following is a derived operator:

Question 2

Consider two relations, R1 and R2, given below:


 
How many tuples are there in relation(Natural join) R1 R2?

Question 3

Tuple Relational Calculus is a?

Question 4

An expression in the domain relational calculus is of the form?

Question 5

Choose the correct statement regarding relational algebra:
 
Relational algebra___?

Question 6

Which are the join types in join condition:

Question 7

From the options given below choose the ones which will have equal expressive power?
1) Relational Algebra
2) Tuple relational calculus which been limited to safe expression
3) Domain relational calculus restricted to safe expression
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Jan 20GATE & PSU CS