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# GATE CS 2022 : Database -3

Attempt now to get your rank among 333 students!

Question 1

Consider the following ER diagram

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

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.

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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GATE & PSU CSDatabasesJul 14GATE & PSU CS

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