19.1.4 - Pivoting and Unpivoting Data
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Practice Questions
Test your understanding with targeted questions
What does the PIVOT function do in SQL?
💡 Hint: Think about how we view data differently when switching axes.
What is the result of unpivoting data?
💡 Hint: Consider the opposite of pivoting.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the PIVOT function do?
💡 Hint: Think about how you would analyze data across different categories.
True or False: Unpivoting is the process of converting rows into columns.
💡 Hint: Remember the definitions we've discussed.
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Challenge Problems
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Create a dataset and write a comprehensive SQL query that performs both pivoting and unpivoting operations. Discuss the necessity of each transformation.
💡 Hint: Consider using example sales data with years and quarters.
How would you structure an SQL query to dynamically pivot based on different years' data with varying years available?
💡 Hint: Look into SQL structure that allows for dynamic queries.
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