
ETL Process Quiz
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Other
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University
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Practice Problem
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Hard
ragha priya
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avni is working on a data project where she needs to process large amounts of information from various sources. She needs to understand the process that involves extracting data, transforming it into a suitable format, and then loading it into a database. What does ETL stand for?
Evaluate, Transform, Load
Extract, Transform, Load
Evaluate, Test, Load
Extract, Transfer, Load
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avni is working on a data project where she needs to gather information from various sources. What is the primary goal of the Extraction phase?
To clean the data
To analyze the data
To load data into the warehouse
To gather data without altering its format
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Arjun is trying to organize his data for a project. He needs to choose a data source that is structured and easy to query. Which of the following is a structured data source?
SQL databases
JSON
Emails
Flat files
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During a data migration project, Mira is responsible for overseeing the Transformation phase. What happens during this phase?
Data is loaded into the warehouse
Data is analyzed for insights
Data is collected from sources
Data is cleaned, aggregated, and formatted
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nikita is working on a data analysis project. She needs to perform various operations on the data she has collected. Which of the following is NOT a common transformation operation she might use?
Data Filtering
Data Sorting
Data Loading
Data Aggregating
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aanya is working on a research project and has collected a large dataset. However, she notices that some of the data points are irrelevant or incorrect. What is the purpose of data filtering in her project?
To summarize data
To remove irrelevant or incorrect data
To organize data
To convert data types
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ria is working on a data project where she needs to ensure that all necessary information is available for analysis. What does the Loading phase involve in her project?
Cleaning the data
Aggregating data for analysis
Extracting data from sources
Transferring data into a target system
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