
Data Warehouse Quiz
Quiz
•
Computers
•
University
•
Practice Problem
•
Medium
Aiman Hanif
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of a data warehouse?
To manage transactions
To support decision-making
To store passwords
To host websites
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component transforms raw data before entering the warehouse?
Data Mart
OLTP
ETL (Extract, Transform, Load)
OLAP
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is "metadata" in a data warehouse context?
User data
Data about data
Encrypted files
Duplicate records
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best represents a subject-oriented concept in DW?
Payment history
Stock control system
Customer behavior
Login sessions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data in a warehouse is said to be "non-volatile" because:
It changes frequently
It is stored in RAM
It does not get updated in real-time
It gets auto-deleted
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is NOT a key characteristic of a data warehouse?
Integrated
Time-variant
Volatile
Subject-oriented
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is time-variant data used for?
Live transactions
Reporting past trends
Real-time updates
Malware detection
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