The Definitive Guide to Data Quality
BTW one more thing not directly related to the this scenario, but a general question, what version (1.0 or 2.0) of XPATH Talend supports to extract the fields from File XML meta data wizard.
but just to let you know all the elements under root node <clinical_study> can have 0 to many occurrences
BTW In this example we have more than one occurrences of 2 elements named <oversight_info> and <primary_outcome> but just to let you know all the elements
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