CS-2002 Question Paper With Solutions

Q. 20 With regard to the expressive power of the formal relational query languages, which of the following statements is true?

(A) Relational algebra is more powerful than relational calculus

(B) Relational algebra has the same power as relational calculus

(C) Relational algebra has the same power as safe relational calculus

(D) None of the above

Answer: (C)

Explanation:

CS-2002 Question Paper With Solutions

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