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GATE 2022: Database Management System Quiz-1

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Question 1

Specialization is denoted by ________ in ER diagram

Question 2

Which of the following statements is true?

Question 3

Singleton is

Question 4

Which of the following statements is correct.

Question 5

Find the number of correct statements from the following sentences:

I. All 1:M and 1:1 relationships should be converted into separate tables.

II. All multi valued attributes should be converted into separate tables.

III. Cardinality ratio is applicable for only binary relationships.

IV. A key attribute can uniquely identify an entity from an entity set.

Question 6

Untitled

The minimum number of tables required if attribute a22 is a composite attribute?

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Sep 26GATE & PSU CS