InterSystems IRIS TSQL Code 8124 Multiple columns are specified in an agg
In this post, you’ll learn about the SQL error code 8124 in InterSystems IRIS database the reason why you are receiving the TSQL message when using the InterSystems IRIS data platform
Error Code :
8124
Reason for the Error code 8124 in InterSystems IRIS DBMS
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.
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