Hello LinusH, Thank you very much for your reply. In fact my table will not be dynamic, the number of columns will remain the same, but some will be empty. Yes, of course, I can add post-code, and even use a ‘user-written code’ transformation, but 1° I try to avoid it as much as possible 2° I've followed the advice in the sas documentation, but it doesn't work, so maybe I haven't understood the documentation properly? I'm building a dimension for a data warehouse, in a star schema model, so already in the gold layer. Cheers
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