4.3.1 - Offline Sources
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Practice Questions
Test your understanding with targeted questions
What is a CSV file?
💡 Hint: Think about how data is separated in the file.
Name one advantage of using Excel for data analysis.
💡 Hint: Consider the features Excel provides for individual users.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does CSV stand for?
💡 Hint: Think about the structure of the file.
True or False: Databases are only for storing small datasets.
💡 Hint: Consider the purpose of databases.
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Challenge Problems
Push your limits with advanced challenges
You have two CSV files containing different data about users (user_info.csv and user_purchase.csv). Explain how you would combine these two datasets into a single DataFrame in pandas.
💡 Hint: Think about how to relate data from both files.
You need to analyze a large dataset stored in a database. Describe the steps you would take to connect to the database and retrieve data for analysis.
💡 Hint: Remember to utilize the proper commands for connecting and querying.
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Reference links
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