Relational Algebra Operations - Unary

DBMS: Relational Algebra Operations - Unary
Topics discussed:
1. The SELECTION Operation.
2. The PROJECTION Operation.
3. The RENAME Operation.
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Axol x Alex Skrindo - You [NCS Release]
#DBMSByNeso #DBMS #RelationalAlgebraOperations

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In selection operator what if instead of selecting whole tuple, if we wanted only name for ex 3,what will be query?

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What is the use of δ in relational algebra?

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How to run selection n projectional operator in command line

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How to execute these using this operator s?? Soigma not available in keyboard

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How much to come??

[@lucasb.bahadir7433]

How does renaming help by making the selection and projection operation easier? I don't get it

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Can help when two relation have the same data but with dif names. Like if you’re joining two tables by employee ID where one calls this Eid and the other one calls it EmpID you can use rename to do this.

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