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 criteria without …

Jan 20, 2026 · COUNT(*) returns the number of rows in a specified table, and it preserves duplicate rows. It counts each row separately, including rows that contain null values.

Jan 14, 2025 · How is the COUNT () function typically applied in SQL queries? The COUNT () function is used in various contexts, including counting total rows in a table, counting non-NULL values in a …

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

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 meet a specific …

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 …

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 …

Dec 12, 2024 · What is the COUNT () Function in SQL? The COUNT() function returns the number of rows that matches a criterion. The basic syntax of COUNT() is as follows. Variations of the syntax …

Summary: in this tutorial, you will learn how to use the SQL Server COUNT() function to get the number of items in a set. SQL Server COUNT() is an aggregate function that returns the number of items in a …