SQL GROUP BY & HAVING Statement | How to use GROUP BY & HAVING in SQL | SQL Tutorial for Beginners
GROUP BY is a SQL clause that arranges data into groups based on a common value (or values). It is widely used to obtain summary information for large datasets as well as for computing basic aggregate statistics.
The HAVING clause works in tandem with the GROUP BY clause to narrow down results based on aggregate functions. Aggregate functions are SQL tools that allow us to calculate values like the total (SUM), average (AVG), and lowest value (MIN) from groups of rows in our data.
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What is GROUP BY in SQL?
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