What is the primary purpose of a data warehouse?
Data warehouse exam

Quiz
•
Computers
•
University
•
Medium
Mohamed Safwat
Used 1+ times
FREE Resource
108 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Real-time business transactions
Data analysis for business decisions
Data validation during transactions
Data redundancy reduction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of a data warehouse?
Transaction-oriented
Integrated data from multiple sources
Volatile data
Non-subject-oriented
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of data is organized around subjects in a data warehouse?
Transactional
Time-referenced
Non-volatile
Subject-oriented
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main goal of a data warehouse?
Provide easy access to corporate data
Support real-time business transactions
Minimize data redundancy
Enhance data validation during transactions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which layer of the Data Warehouse Architecture is responsible for transporting data from source systems to the warehouse?
Metadata management layer
Data processing layer
Data integration layer
End user reporting layer
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of a snowflake schema in a dimensional model?
Complex dimensions are normalized
It consists of a central fact table
It is easy to understand and relate to business needs
It supports simplified business queries
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the granularity of data?
The level of detail at which data is recorded
The size of the data warehouse
The number of dimensions in a star schema
The type of data stored in a warehouse
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