SQL COUNT(*) Function

The COUNT(*) function returns the number of selected rows in a selection.

Syntax

SELECT COUNT(*) FROM table

Example

With this "Persons" Table:

This example returns the number of rows in the table:

SELECT COUNT(*) FROM Persons

Result:

3

Example

Return the number of persons that are older than 20 years:

SELECT COUNT(*) FROM Persons WHERE Age>20

Result:

2

How to be a Smart and Efficient Web Developer?

Use a web development platform that will help you save a lot of time and bring excitement to your daily development work. It will also create professional best-practices around your code development and team collaboration.

Try Springloops now, the web development platform

Jump to: Top of Page or HOME or Printer friendly page

W3Schools provides material for training only. We do not warrant the correctness of its contents. The risk from using it lies entirely with the user. While using this site, you agree to have read and accepted our terms of use and privacy policy.

Copyright 1999-2008 by Refsnes Data. All Rights Reserved.

W3Schools was converted to XHTML in December 1999