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A query in the tuple relational calculus is expressed as:

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A query in the tuple relational calculus is expressed as:

(a) {t | P() | t}

(b) {P(t) | t }

(c) {t | P(t)}

(d) All of the mentioned
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Correct choice is (c) {t | P(t)}

Easy explanation - The tuple relational calculus, is a nonprocedural query language. It describes the desired information without giving a specific procedure for obtaining that information.
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