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

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 …

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 …

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 …

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

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 …

The COUNT () function is an aggregate function that is used to find the number of values in the specified column excluding NULL values. It can be applied on numeric, character, or date …

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 …

What is the SQL Server COUNT Function? The SQL Server COUNT function is used to return the number of items in a group. It’s typically employed in SELECT queries to tally rows, non-NULL …

Mar 16, 2023 · Aggregate functions in SQL are used to calculate statistics for a group of rows: counting the number of rows in each group, computing the sum of values in a group, finding …