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I need tuple relational calculus. (from relational algebra to tuple relational calculus). I took the relational algebra from here: https://www.chegg.com/homework-help/Database-Systems-The-Complete-Book-2nd-edition-chapter-2.4-problem-1E-solution-9780131873254 f) Following is the query

I need "tuple relational calculus". (from "relational algebra" to "tuple relational calculus").

I took the relational algebra from here:

https://www.chegg.com/homework-help/Database-Systems-The-Complete-Book-2nd-edition-chapter-2.4-problem-1E-solution-9780131873254

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Following is the query to find the models of PC, which PC models have a speed of at least 3.00. RI :-speed2 3.00 (PC) R2: TTmodel(R1)

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