My research tells me that enterprise data replication (EDR) is a relatively new concept, perhaps coined by my friend and fellow TDWI faculty member Mark Madsen. My semi-educated guess on the difference: EDR, or enterprise data replication, tools are database-centric and used to copy or migrate database objects from one system to another. EDR copies or synchronizes data between one or many systems. It's a new concept, but is basically copying or moving database tables with little or no data transformation. EDR tools don't have the facilities that ETL offers for transforming the data based on data value and business rules.
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This was first published in October 2007