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GATE CS 2022 : Database -3

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Question 1

Consider the following ER diagram

The minimum number of tables needed to represent M, N, P, R1, R2 is

Question 2

Which of the following can be a multivalued attribute?

Question 3

A relation R (A, B, C, D, E, F) holds following FDs.

Find the number of minimal candidate keys of R.

Question 4

Which of the following statements contains an error?

Question 5

Find the no of conflict pair present in the given schedule__________

S: r1(X) r1(Y) r2(X) r2(Y) w2(Y) w1(X)

Question 6

The number of concurrent schedules can be formed with 3 transactions having 3, 2 and 1 operations respectively ________
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Jul 14GATE & PSU CS

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Harshita AgarwalHarshita AgarwalMember since Jul 2020
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