Scenario 2: Retrieving modified data using CDC

This scenario applies only to a subscription-based Talend solution.

This scenario is based on the preceding one. It continuously populates and modifies
the data stored in the CRM warehouse, and retrieves and saves, every night, these
modifications in a dedicated table using the CDC function. These modifications could be
then extracted by the various concerned departments.

Document get from Talend https://help.talend.com