Which operation cannot be directly performed using Tuple Relational Calculus,…
2025
Which operation cannot be directly performed using Tuple Relational Calculus, compared to operations on relational tables?
Answer: D. Aggregation — Correct answer: Aggregation. Tuple Relational Calculus is a declarative query formalism for specifying tuples that satisfy a predicate. Basic relational…
- A.
Projection
- B.
Selection
- C.
Join
- D.
Aggregation
- E.
Cartesian Product
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Show answer & explanation
Correct answer: D
Correct answer: Aggregation.
Tuple Relational Calculus is a declarative query formalism for specifying tuples that satisfy a predicate. Basic relational querying can express selection, projection, joins, and products, but aggregate computations such as sum or count are not part of basic TRC.
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