In this blog post, let’s learn about the error message “8124 – Multiple columns are specified in an aggregated expression containing an outer reference. If an expression being aggregated contains an outer reference, then that outer reference must be the only column referenced in the expression.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.
SQL Server Error Message
8124 – Multiple columns are specified in an aggregated expression containing an outer reference. If an expression being aggregated contains an outer reference, then that outer reference must be the only column referenced in the expression.
Reason for the Error
To be update soon…
Solution
To be update soon…