Topic 9424 min readStructured Tutorial
SQL Server Aggregate Functions: Understanding AVG
Quick Answer
The AVG function in SQL Server calculates the average value of a numeric column across rows. It is commonly used to find mean values in datasets, ignoring NULLs automatically. AVG is essential for summarizing data in reports and analytics.
Learning Objectives
- Understand the purpose and syntax of the AVG function in SQL Server.
- Learn how AVG handles NULL values in calculations.
- Apply AVG in practical SQL queries to calculate averages.
Introduction
Aggregate functions in SQL Server help summarize data by performing calculations on multiple rows.
The AVG function is one of the most commonly used aggregate functions to find the average value of a numeric column.
Data is only as useful as the insights you can extract from it.
