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Data Warehouse and Data Mining Quiz

Authored by Steven Grant

Computers

Used 2+ times

Data Warehouse and Data Mining Quiz
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a data warehouse?

To manage business intelligence activities

To process transactions

To store historical data

To perform data mining

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of a data warehouse?

Subject-oriented

Real-time data processing

Transactional data storage

Operational data analysis

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main function of Extraction, Transformation, and Loading (ETL) tools in a data warehouse?

Perform data conversions and summarizations

Populate missing data with defaults

Eliminate unwanted data from operational databases

All of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is metadata in the context of a data warehouse?

Data about data that describes the data warehouse

Data used for data mining

Data stored in a data mart

Data used for OLAP operations

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which tool is used to analyze data using multi-dimensional views in a data warehouse?

Query and reporting tool

Application development tool

Data mining tool

OLAP tool

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a data mart?

To provide decision support for a specific user group

To store historical data

To perform data mining

To integrate multiple sources of data

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the benefit of a data warehouse?

Allows quick access to critical data from multiple sources

Provides inconsistent information on cross-functional activities

Increases stress on the production system

Reduces total turnaround time for analysis and reporting

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