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

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 …

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

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 …

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 …

Dec 27, 2024 · 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 …

The SQL COUNT function is a widely used aggregate function in SQL (Structured Query Language) that allows you to count the number of rows in a table or the number of records that …

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 …

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 …

Microsoft SQL Server provides various combinations of the COUNT function to deal with NULLs, duplicates (finding the distinct values), conditional counting, etc. For example, when you need …