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
Show all answers
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
Create a free account and access millions of resources
Similar Resources on Quizizz
110 questions
DataBase midterm

Quiz
•
University
104 questions
School

Quiz
•
University
105 questions
all ques

Quiz
•
University
103 questions
cisco b1 ch 3-8, 11

Quiz
•
University
104 questions
Review CS125

Quiz
•
University
104 questions
BUDA quiz

Quiz
•
University
104 questions
ICT - session

Quiz
•
University
108 questions
ағылшын 1 рк

Quiz
•
1st Grade - University
Popular Resources on Quizizz
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade