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What is Reverse ETL?
Reverse ETL is the flip side of the ETL/ ELT. With Reverse ETL, the data warehouse becomes the source rather than the destination. Data is taken from the warehouse, transformed to match the destination’s data formatting requirements, and loaded into an application – for example, a CRM like Salesforce – to enable action.
In a way, the Reverse ETL concept is not new to data engineers, who have been enabling data movement warehouses to business applications for a long time. As Maxime Beauchemin mentions in his article, Reverse ETL “appears to be a modern new means of addressing a subset of what was formerly known as Master Data Management (MDM).”
Read more about in Reverse ETL Explained.