VARP()

Returns the statistical variance for the population for all values in the specified expression.

Signature

-- Aggregate Function Syntax   
VARP ( [ ALL | DISTINCT ] expression )  
  
-- Analytic Function Syntax  
VARP ([ ALL ] expression) OVER ( [ partition_by_clause ] order_by_clause)

Parameters

  • expression — Is an expression of the exact numeric or approximate numeric data type category, except for the bit data type. Aggregate functions and subqueries are not permitted.

Examples

SELECT VARP(amount) FROM dbo.orders;

------------------------
            22188.328125

Run against SQL Server 16.0.4265.3 on 2026-09-13. This is the output we got, not the documentation’s.

Available on

  • SQL Server 2017 and later
  • Azure SQL Database
  • Azure SQL Managed Instance
  • Azure Synapse Analytics
  • Analytics Platform System (PDW)
  • Microsoft Fabric warehouse
  • Fabric SQL database

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Signature and description adapted from the Microsoft SQL documentation, used under the CC BY 4.0. SQL Server and Azure are trademarks of the Microsoft group of companies. This page is not affiliated with Microsoft.