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MDBMS Unit2

Authored by Suneetha T

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University

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MDBMS Unit2
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25 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In E-R Diagram, attribute is represented by ________

rectangle
diamond
square
ellipse

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the main goal of normalization in DBMS?

To increase redundancy
To decrease performance
To remove redundancy and anomalies
To create larger tables

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In E-R Diagram, entity is represented by ________

rectangle
diamond
square
ellipse

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In an E-R diagram a relationship is represented by________?

rectangle
diamond
square
ellipse

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Entity is a _________

Object of relation
Present working model
Thing in real world
Model of relation

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which normal form removes multivalued attributes?

2NF
3NF
1NF
BCNF

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Partial dependency is removed in which normal form?

1NF
2NF
3NF
BCNF

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