Feb 7, 2025 · In SQL, the COUNT () function is used to count the number of rows that match a specified condition. The DISTINCT keyword is used to return only distinct (unique) values. When combined, …

DISTINCT COUNT(*) will return a row for each unique count. What you want is COUNT(DISTINCT <expression>): evaluates expression for each row in a group and returns the number of unique, non …

Apr 25, 2024 · DISTINCTCOUNT function counts the BLANK value. To skip the BLANK value, use the DISTINCTCOUNTNOBLANK function. This function is not supported for use in DirectQuery mode …

Nov 20, 2024 · In this article, we’ll walk through how to count distinct values with conditions using SQL. We’ll see how to use the WHERE clause, apply multiple conditions, and count across columns.

Nov 22, 2022 · This tip shows several examples of COUNT and COUNT DISTINCT to show how SQL Server handles them differently.

In this tutorial, you will learn how to use the SQL Server COUNT DISTINCT to get the total number of unique values in a column of a table.

Jul 23, 2025 · We can simply count distinct values using COUNT () method with the DISTINCT keyword along with column names. We have explained various use cases of counting distinct values in My …

In SQL, the COUNT () function with the DISTINCT clause is used to count the number of unique rows in a result set. In this tutorial, you will learn about the SQL COUNT () function and how to use it with the …

Jul 21, 2025 · Learn how to count distinct values in SQL with hands-on interactive examples. Master COUNT DISTINCT, GROUP BY, and aggregate functions with in-browser practice.

Feb 27, 2025 · Learn Count Distinct in SQL with step-by-step examples, best practices, and performance tips to handle large datasets efficiently.