AgerNic.com
WEB DEVELOPER SITE, HTML, CSS, PHP, SQL

SQL COUNT(), AVG() and SUM() Functions


The COUNT() function returns the number of rows that matches a specified criteria.
The AVG() function returns the average value of a numeric column.
The SUM() function returns the total sum of a numeric column.

SQL COUNT(), AVG() and SUM() Functions - how to create - example


COUNT() Syntax

Example 1: COUNT() Syntax
SELECT COUNT(column_name)
FROM table_name
WHERE condition;


AVG() Syntax

Example 2: AVG() Syntax
SELECT AVG(column_name)
FROM table_name
WHERE condition;


SUM() Syntax

Example 3: SUM() Syntax
SELECT SUM(column_name)
FROM table_name
WHERE condition;


sql count avg and sum functions
SQL COUNT(), AVG() and SUM() Functions - sql tutorial

Online Editor
ONLINE EDITOR

news templates


COLOR PICKER

news templates
This tool makes it easy to create, adjust, and experiment with custom colors for the web.


HTML Templates
news templates
Magnews2 is a modern and creative free magazine and news website template that will help you kick off your online project in style.


CSS HTML Layout
news templates
Find here examples of creative and unique website layouts.


Free CSS HTML Menu
news templates
Find here examples of creative and unique website CSS HTML menu.


Home - Database
SQL - Database
SQL Syntax
SQL Select Data
SQL Insert Data
SQL Update
SQL Delete Row
PHP mysqli_query()
SQL order
SQL Create Database
SQL Display Data
SQL Count()
SQL mysqli_connect
SQL create table
SQL Where And & Or
SQL like Syntax
SQL Between Operator
SQL IN Operator
Online Editor
ONLINE EDITOR

news templates


COLOR PICKER

news templates
This tool makes it easy to create, adjust, and experiment with custom colors for the web.


HTML Templates
news templates
Magnews2 is a modern and creative free magazine and news website template that will help you kick off your online project in style.


CSS HTML Layout
news templates
Find here examples of creative and unique website layouts.


Free CSS HTML Menu
news templates
Find here examples of creative and unique website CSS HTML menu.


Error: Unable to connect to MySQL. Debugging errno: 1045 Debugging error: Access denied for user 'u142985959_ager'@'localhost' (using password: YES)