The SQL COUNT () Function The COUNT() function returns the number of rows that matches a specified criterion.

The SQL COUNT function is an aggregate function that returns the number of rows returned by a query. For example, you can use the COUNT function in the SELECT statement to get the …

Nov 22, 2025 · We can use the COUNT () function along with CASE WHEN to count rows that match a specific condition. This is helpful when we want to count rows based on certain …

Nov 18, 2025 · COUNT(*) returns the number of rows in a specified table, and it preserves duplicate rows. It counts each row separately. This includes rows that contain null values. The …

Jan 14, 2025 · COUNT () returns 0 if there were no matching rows. Syntax: The above syntax is the general SQL 2003 ANSI standard syntax. This helps to understand the way SQL COUNT …

In this tutorial, you will learn about the SQL COUNT () function with the help of examples.

Let's look at an example that shows how to use the COUNT function with a single expression in a query. In this example, we have a table called employees with the following data: