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relational algebra

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Express in relational algebra

supplier (SNO, SNAME)

part (PNO, PNAME)

project(JNO, JNAME)

SUPPLY(SNO, PNO,JN0)

a) Retrieve the parts no that are supplied to exactly two project?

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Ashutosh_17 asked Mar 30, 2023
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Let R be a relation of degree 5 then the total number of projections possible on R is ___?
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