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SQL ERROR (MSG - 130) -Cannot perform an aggregate function on an expression containing an aggregate or a subquery. 

Pooja Goel  |   Jun 28, 2020  |  Views: 87


Lets suppose You have executed the given query in SQL SERVER .


CREATE TABLE [dbo].[Employee](
[ID] [int] NOT NULL,
[Name] [varchar](50) NULL,
[Salary] [numeric](18, 0) NULL,
[DepartmentID] [int] NULL,
[ContactNo] [numeric](18, 0) NULL,


From this table, You want to return the records of employee who has highest Salary.


       MAX(MAX(Salary) - MIN(Salary)) AS [HighSalary]
FROM [dbo].[Employee]




Error Message :


But getting the below error.

Msg 130, Level 15, State 1, Line 2
Cannot perform an aggregate function on an expression containing an aggregate or a subquery.





In Above statement,you are using aggregate function on SubQuery that is already using aggregate function


Solution of the Error:


To avoid this type of error, Please ensure that There are using aggregate function on a subquery which has no other aggregate function.


       (MAX(Salary) - MIN(Salary)) AS [HighSalary]
FROM [dbo].[Employee]


Content Contributor
Pooja Goel

Pooja Goel

Sr. Software developer at Damco Solutions Pvt. Ltd.  |   Noida, Uttar Pradesh, India

I am a sr. software developer working on technologies like SQL, SSIS, SSRS, DB2,Tableau, ASP.NET having 7 years of experience.

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