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Questions tagged [tuple-relational-calculus]

Should be used for questions regarding Tuple relational calculus (TRC). Not to be confused with domain relational calculus (DRC) or relational algebra (RA).

Tuple relational calculus (TRC) is a calculus that was created and introduced by Edgar F. Codd as part of the relational model, in order to provide a declarative database-query language for data manipulation in this data model.

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Tuple Relational Calculas

Consider the following relational schema. Students(rollno: integer, sname: string) Courses(courseno: integer, cname: string) Registration(rollno: integer, courseno: integer, percent: real) For the following query: {T ∣ ∃S∈Students,∃R∈Registration( …
Hailey
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What is TRC and DRC in DBMS?

What is tuple relational calculus (TRC) and domain relational calculus (DRC)? How do they differ with relational algebra? I am new in DBMS field. But I have learned basics of relational algebra.
Qazazaz
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