Relational Algebra (Rename Operation)

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DBMS: Relational Algebra (Rename Operation)
Topics discussed:
1. Recap of various fundamental operations in relational algebra.
2. Basics of Rename (ρ) operation in relational algebra.
3. Syntax and working of Rename (ρ) operation in relational algebra.
4. Solved examples using Rename (ρ) operation in relational algebra.
5. Homework problem to perform a simple Rename (ρ) operation.


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Комментарии
Автор

Solution:
ρ output_relation (DEPOSITOR X BORROWER)

ismailfaridi
Автор

Tomorrow dbms exam, tq for this videos

chinnaduraic
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Great series. Thank you for you work. Will be waiting for new videos on topic.

MrLogicAddict
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Waiting for more.... Thanks for the content

sirsanctified
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P= output relation ( DEPOSITER X BORROWER)

sarveshkilje
Автор

What is the usage of the rename operation if it only rename the result of the operation ? Is it so we can access the relation later down the line without having to rewrite/compound the already existing equation ?

kharris
Автор

p output_relation(π cu_Name, Acc_no(DEPOSITOR)x π Cu_Name, Loan_no)(BORROWER)

ShaikSameer-xhww