SQL Tutorial | Aggregate Functions

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◆ Aggregate functions in SQL

If you're looking for a SQL tutorial for beginners with examples, this tutorial is a great way to learn SQL basics. Just follow through and you'll be able to write SQL queries. This video explains the aggregate functions and its types. This video is a combination of theory as well as practical.
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- SQL aggregation function is used to perform the calculations on multiple rows of a single column of a table. It returns a single value.
- It is also used to summarize the data.
- An aggregate function performs a calculation for one or more values and returns a single value. The aggregate function is often used with the GROUP BY clause and HAVING clause of the SELECT statement
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