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Scalefree Knowledge Webinars Data Vault Friday Hash Keys vs Sequence Keys vs Business Keys in Data Vault

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In our continuous Data Vault Friday series, our CEO Michael Olschimke engages with a pertinent question posed by our audience.

“How do the loading cycles benefit from joining on a hash key or a Business Key, as opposed to a surrogate value?”

In this insightful video, Michael delves into the critical aspect of designing the Enterprise Data Warehouse (EDW) by examining three choices for identifying records in the Data Vault model. The specific focus is on the advantages and implications of joining on a hash key or a Business Key, contrasting these approaches with the use of a surrogate value.

Michael’s comprehensive exploration provides clarity on the impact these choices have on loading cycles within the EDW. By understanding the nuances of each option, viewers gain valuable insights into optimizing loading processes and achieving efficient data integration.

For those involved in the design and management of Data Vault models, this video offers practical considerations and strategic insights.

Meet the Speaker

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Michael Olschimke

Michael has more than 15 years of experience in Information Technology. During the last eight years he has specialized in Business Intelligence topics such as OLAP, Dimensional Modelling, and Data Mining. Challenge him with your questions!

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