Thanks @andreas_lds , kindly find below SAS DI job snapshot.where iam using transpose transformation which is currently creating the reasons based on source data.in transpose out reason 5 columns are now getting created in Test environmnet please. So in final target table also i have manually created 12 columns for reason which are currently no data as expected. but what my challenge is : in future ,transpose output got created with 7 or 8 reason columns.then currently there is no column mapping (for reaosn 6,reason 7 .....reason12)from transpose mappiing to table loader mapping transofmration. These job will be running automatically as part of batch. please find the attached mapping where mapping missing for reason7 to reason12 please as there is no input from tranpose output please. but this is not the same case,it may have many reason with maximum 12 values please. please help.iam sorry if iam not conveyed my problem correctly please.kindly help.i did not cleary understood how append option will help on this please.kindly help please
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