You can ignore duplicates by using the DISTINCT keyword in the COUNT() function. If DISTINCT is specified, rows with the same value for the specified column will be counted as one.

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 · COUNT () returns 0 if there were no matching rows. Syntax: The above syntax is the general SQL 2003 ANSI standard syntax. This helps to understand the way SQL COUNT () Function …

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 a SELECT …

In this tutorial, we will go through SQL COUNT Function, its syntax, and how to use this function in SQL statements, with the help of well detailed examples. The basic syntax of the SQL COUNT function is …

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 …

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 …

Mar 16, 2023 · To count unique (non-duplicate) values in a certain column, you put the DISTINCT keyword inside COUNT(), followed by the name of the column. With this syntax, the function returns …