DWDM-2

DWDM-2

University

20 Qs

quiz-placeholder

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DWDM-2

DWDM-2

Assessment

Quiz

Computers

University

Hard

Created by

N.ILAYARAJA IT

Used 14+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 A data warehouse is which of the following?

Can be updated by end users.

Contains numerous naming conventions and formats.

Organized around important subject areas.

Contains only current data.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 ________ is a collection of data marts representing historical data from different operations in the company.

data warehouse

data mining 

OLAP

None of these

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Data can be updated in _____environment.

data mart

data mining

operational

informational

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 ______________ is data about data.

Metadata

Microdata

Minidata

Multidata

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The star schema is composed of __________ fact table.

1

2

3

Many

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 ___________ is a good alternative to the star schema.

Star schema.

Snowflake schema.

Fact constellation.

Star-snowflake schema.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fact tables are ___________.

completely demoralized

partially demoralized.

completely normalized.

partially normalized.

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