made easy tt1

consider a B+ tree in which search key is 15B long,block size is 2048B,record pointer size is 12B and block pointer size is 10B long.the maximum no. of keys that can be a...

Gate Fever

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Gate Fever asked Dec 9, 2018

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Gate Fever asked Dec 9, 2018

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made easy dbms tt1
Which of the following query transformations (i.e., replacing the l.h.s. expression by the r.h.s expression) is correct? R1, R2 and R3 are relations, C1 and C2 are selection conditions and A1 ,A2 and A3 are attributes of Relations SHOULDN'T THE ANSWER BE (B)??? ... I USE condition A1 as A1<3 and condition A2 as A2<8 whereas RHS gives me A1 1 1 2 2 hence option D is wrong?

Which of the following query transformations (i.e., replacing the l.h.s. expression by the r.h.s expression) is correct? R1, R2 and R3 are relations, C1 and C2 are select...

Gate Fever

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Gate Fever asked Dec 9, 2018

tags	tag:apple
author	user:martin
title	title:apple
content	content:apple
exclude	-tag:apple
force match	+apple
views	views:100
score	score:10
answers	answers:2
is accepted	isaccepted:true
is closed	isclosed:true

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