What are the key differences between using groupby in pandas and SQL?
Grouping data is a fundamental task in data analysis, allowing you to organize and summarize information. In data science, this is often achieved through the use of groupby operations, which are available in both pandas—a data manipulation library in Python—and SQL, a domain-specific language used in programming for managing relational databases. While both serve similar purposes, their usage and capabilities differ in various ways. Understanding these differences is crucial when you're analyzing large datasets, as it can affect both the performance of your data operations and the ease with which you can extract insights.
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