Relational Database Quiz

Relational Database Quiz

Professional Development

39 Qs

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Relational Database Quiz

Relational Database Quiz

Assessment

Quiz

Computers

Professional Development

Practice Problem

Hard

Created by

DR. DEY

Used 2+ times

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39 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The primary key indexing techniques do not allow

Duplicate data

Multiple attributes

Sets of relations

Many to many relation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The column of a table is referred to as

Tuple

Attribute

Entity

Degree

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Relations produced from an E-R model will always be in

1NF

2NF

3NF

4NF

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cardinality of a table with 1000 rows & 10 columns?

10

100

1000

None of these

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The operation of a certain relation X, produces Y such that Y contains only selected attributes of X, such an operation is

Projection

Selection

Union

Difference

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DDL stands for

Data-dictionary language

Dictionary defined language

Data defined language

Data definition language

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operator performs pattern matching in SQL?

Except

Intersect

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