Here we use the COUNT() function and the GROUP BY clause, to return the number of records for each category in the Products table: You will learn more about the GROUP BY clause later in this tutorial.

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

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 a specified 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 criteria without …

Jan 14, 2025 · It is commonly used to determine the number of entries in a table, count distinct values, or count rows after filtering data. It sets the number of rows or non NULL column values. COUNT () …

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 you want to count …

Jun 28, 2023 · When working with SQL databases, the ability to count rows is crucial for data analysis and optimization. The COUNT() function is a powerful tool that enables users to quickly retrieve the …

In a typical SELECT statement, COUNT pairs with a table in the FROM clause and optional filters in WHERE. COUNT(*): Counts all rows, regardless of null values. COUNT(column_name): Counts only …

This SQL tutorial explains how to use the SQL COUNT function with syntax, examples, and practice exercises. The SQL COUNT function is used to count the number of rows returned in a SELECT …

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