The Definitive Guide to Data Quality
I expect talend to encode it to "?"
Ok, yes, that makes more sense. Talend has no built in way to do this. Best thing would be to set up a new routine and use this (not tested by me):
Watch the recorded webinar!
Accelerate your data lake projects with an agile approach
Create systems and workflow to manage clean data ingestion and data transformation.
Introduction to Talend Open Studio for Data Integration.