In my daily use of SQL queries, aggregate functions are used to perform calculations on a set of values, returning a single value. Common examples include SUM, AVG, COUNT, MIN, and MAX.

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# Let's learn how to use GroupBy and Aggregate methods on a DataFrame. GroupBy allows you to group rows together based off some column value, for example, you could group together sales data by the ...

Learn what aggregate functions are, how to use them in SQL queries, and why they are useful for BI. Find examples of common scenarios and calculations. Agree & Join LinkedIn ...