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2 cards from this section. Quick, good the night before a test.
What does the PIVOT function do in SQL?
Think about how we view data differently when switching axes.
What is the result of unpivoting data?
Consider the opposite of pivoting.
What does the PIVOT function do?
Think about how you would analyze data across different categories.
True or False: Unpivoting is the process of converting rows into columns.
Remember the definitions we've discussed.
Create a dataset and write a comprehensive SQL query that performs both pivoting and unpivoting operations. Discuss the necessity of each transformation.
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?
Look into SQL structure that allows for dynamic queries.
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