Use COUNT () with GROUP BY Here we use the COUNT() function and the GROUP BY clause, to return the number of records for each category in the Products table:

This tutorial shows you how to use the SQL COUNT () function to get the number of rows in a table.

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(*) doesn't require an expression parameter because by definition, it doesn't use information about any particular column. COUNT(*) returns the number of rows in …

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

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 …

Learn the COUNT function to count rows, non-null values, and unique records for powerful data analysis. Key Insight: COUNT (*) ≥ COUNT (column) ≥ COUNT (DISTINCT column) 1. …

It is used to return the number of rows or non-null values in a column. The COUNT function syntax is as follows: In this syntax, column_name specifies the name of the column for which …

The COUNT() function returns the number of rows that matches a specified criterion. The AVG() function returns the average value of a numeric column. The SUM() function returns the total …

Jul 23, 2025 · In this article, we will explain how to use the COUNT() function with conditions, Using the WHERE clause and CASE statement. These methods allow for flexible and precise …