Data Warehouse Intro and Architecture
Authored by Satria Nugraha
Information Technology (IT)
University
Used 4+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the primary purpose of a data warehouse?
To store transactional data
To analyze and report historical data
To replace operational databases
To store user credentials
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which characteristic is NOT a feature of a data warehouse?
Integrated
Subject-oriented
Volatile
Time-variant
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In OLTP systems, the focus is primarily on:
Data analysis
Transaction processing
Archiving data
Generating random queries
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which system is optimized for fast query performance over large datasets?
OLAP
OLTP
ERP
CRM
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is a star schema?
A database design for operational systems
A schema with multiple fact tables
A simple design with one fact table and multiple dimension tables
A schema shaped like a galaxy
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is a key component of a data warehouse architecture?
ETL process
OLTP systems
Web servers
Machine learning models
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
True or False: Data in a data warehouse is updated frequently like in OLTP systems.
TRUE
FALSE
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