Recent posts tagged iitd-interview

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If r is a relation on a then it's xsitive closure = the smallest xsitive relation on a which contain r ...eg a={a,b,c} and r= {(a,c),(c,b)} then r* = { (a,c),(c,b),(a,b)}...
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Answer: BRound Trip Time $= 80ms$Frame size $=32\times 8\text{ bits}$Bandwidth $=128\text{ kbps}$Transmission Time $=\dfrac{32\times 8}{128}\ ms = 2\ ms$Let $n$ be the wi...
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Is there any SQL command which belongs to both DDL and DML?
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If $x$ is real and $\mid x^2-2x+3 \mid = 11$, then possible values of $\mid -x^3+x^2-x\mid$ include$2, 4$$2, 14$$4, 52$$14, 52$
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I think it is correct as rest of the cases have counter examples.
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