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What are TRC and DRC in relation to DBMS?

sona11

sona11

What are TRC and DRC in relation to DBMS?

What is the difference between tuple relational calculus (TRC) and domain relational calculus (DRC)? What distinguishes them from relational algebra?
I am new to the DBMS field. However, I have learned the fundamentals of relational algebra from here.

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