Which of the following represents a query in the tuple relational calculus?
Posted: Thu Jul 14, 2022 8:45 am
a) { }{P(t) | t }
b) {t | P(t)}
c) t | P() | t
d) All of the mentioned
b) {t | P(t)}
c) t | P() | t
d) All of the mentioned
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