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Tihomir Babic

A Detailed Guide to the SQL COUNT() Function

You can count on this guide to give you detailed explanations (backed with examples) of all the typical uses of the COUNT() function. Knowing data aggregation is a necessary stepping stone in your journey to becoming an SQL master. This includes the COUNT() function – one of SQL's most often used aggregate functions. Data aggregation still counts as basic-level SQL knowledge. Having firm foundations ensures you don’t have holes in your knowledge, which makes learning more complex SQL concepts easier.

Himanshu Kathuria

The SQL Count Function Explained With 7 Examples

One of the most useful aggregate functions in SQL is the COUNT() function. If you are new to SQL and want to learn about the various ways to use the COUNT() function with some practical examples, this article is for you. The COUNT() function is one of the most useful aggregate functions in SQL. Counting the total number of orders by a customer in the last few days, the number of unique visitors who bought a museum ticket, or the number of employees in a department, can all be done using the COUNT() function.