The Data Warehouse Lives On New Memes, Old Themes APRIL 2022 A White Paper by Dr. Barry Devlin, 9sight Consulting barry@9sight.com Finally, we can move beyond the ancient conflict between data warehouse and data lake! It’s no longer one vs. the other but, ra- ther, how these two concepts can now work together as a mod- ern, integrated construct... for the benefit of both business and IT. This white paper shows how. After a brief review of how data dominates modern business, the meaning and usage of the terms data warehouse and data lake are explained. Then follows a simple architectural model showing how the two are related and complement one another in today’s environment. This clearly demonstrates the power of envisaging a collaborative union of traditiona

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