VMware Oracle Questions and Answers Quiz-1

Question 1

Time: 00:00:00
For schemas derived from strong entity sets, the _______ of the entity set serves as the primary key of the resulting schema

First attribute

First attribute

Primary key

Primary key

Foreign key

Foreign key

None of the mentioned

None of the mentioned

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Question 2

Time: 00:00:00
The primary key of the representation of a weak entity set consists of the primary key of the strong entity set and the _______

Discriminator of the weak entity set

Discriminator of the weak entity set

Foreign key

Foreign key

Primary key of all the other entity sets

Primary key of all the other entity sets

All the attributes of the weak entity set

All the attributes of the weak entity set

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Question 3

Time: 00:00:00
For a binary many to many relationship, the ________ of the participating entity sets becomes the prime attribute

Intersection of primary keys

Intersection of primary keys

Primary key of either one

Primary key of either one

Union of primary keys

Union of primary keys

Primary key on the many side

Primary key on the many side

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Question 4

Time: 00:00:00
For a n-ary relationship set without arrows, the ________ of the participating entity sets becomes the prime attributev

Intersection of primary keys

Intersection of primary keys

Primary key of either one

Primary key of either one

Union of primary keys

Union of primary keys

Primary key on the many side

Primary key on the many side

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Question 5

Time: 00:00:00
Which of the following caan affect the placement of the relationship attributes?

Alphabetical order

Alphabetical order

The data in the attribute

The data in the attribute

Cardinality ratio

Cardinality ratio

None of the mentioned

None of the mentioned

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June 24, 2019

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