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 …

Another form of the COUNT function that accepts an asterisk (*) as the argument is as follows: The COUNT(*) function returns the number of rows in a table in a query. It counts duplicate …

Nov 22, 2025 · Counting the Number of Rows with COUNT (*) When we want to count all the rows in a table, regardless of the column values, we can use COUNT (*). It counts every row, …

SQL COUNT () The SQL COUNT() function returns the number of records returned by a query. Example -- returns the count of rows in the Orders table SELECT COUNT(*) FROM Orders; …

Oct 29, 2020 · What is COUNT (*), COUNT (1), COUNT (column), and COUNT (DISTINCT) in SQL? Have you noticed there are different variations of the SQL COUNT () function? This …

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 …

TIP: Use the primary key in the COUNT function or COUNT (*) if you want to be certain that records aren't excluded in the calculations. Let's look at an example that shows how to use the …

In SQL Server, the COUNT() function is an aggregate function that returns the number of values in a set of values. The COUNT(*) is a form of the COUNT() function that returns the total …

COUNT (*) counts all rows including nulls, while COUNT (column) counts non-null values in the specified column. What is COUNT () in SQL? The COUNT() function in SQL is used to count …

Jul 23, 2025 · This article provides a detailed explanation of SELECT and COUNT () in SQL, including syntax, examples, and practical use cases. Whether we’re filtering rows, counting …