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Editorial Team
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Asked: 2026-06-10T04:57:20+00:00

First question here and is the following. I wrote the following code and everything

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First question here and is the following. I wrote the following code and everything works fine:

DECLARE @subject NVARCHAR(100)
SET @subject = 'Report executed on ' + CONVERT(VARCHAR(12), GETDATE(), 107)
SELECT @subject

Result: Report executed on Aug 17, 2012

but when trying to concatenate the previous string while setting the parameter of msdb.dbo.sp_send_dbmail procedure, it fails

EXEC msdb.dbo.sp_send_dbmail @profile_name='XXX',
@recipients='XXXX@XXXXX.com',
@subject = 'Report executed on ' + CONVERT(VARCHAR(12), GETDATE(), 107),
@body= @tableHTML,
@body_format = 'HTML';

I know I could declare and send a variable to the parameter but I would like to understand why it fails when concatenating directly in the parameter. thank you for your time and knowledge

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1 Answer

  1. Editorial Team

    Parameter values to T-SQL stored procedures cannot be expressions. They need to be either a constant or a variable.

    From MSDN – Specify Parameters:

    The parameter values supplied with a procedure call must be constants
    or a variable; a function name cannot be used as a parameter value.
    Variables can be user-defined or system variables such as @@spid.

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