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In our ongoing series, our CEO Michael Olschimke addresses a complex question from the audience regarding the use of Multi-Active Satellites (MAS) on Links within a Data Vault 2.0 model. This topic touches on advanced aspects of data modeling, particularly in the context of handling multiple active records.

The question posed was, “Can the Multi-Active Satellites be used on LINKs too (considering that on Link we have the option of using the child dependent key)? Please ignore the fact that the link doesn’t have a Hash column on all HUB keys.” Michael’s response delves into the practical application of MAS on Links, an area that can greatly enhance the flexibility and scalability of data models. He explains that while traditionally MAS are used with Hubs to track multiple active records, their application on Links is feasible and beneficial. By leveraging the child dependent key, it is possible to maintain multiple active relationships between entities, which is particularly useful in scenarios where relationships are dynamic and subject to frequent changes.

Drawing on his 15 years of experience in Information Technology, with a focus on Business Intelligence over the past eight years, Michael offers a nuanced perspective on this topic. He highlights that while the absence of a hash column on all HUB keys might pose a challenge, it can be mitigated through careful design and implementation strategies. By ensuring that each Link is adequately documented and structured, organizations can effectively use MAS to capture the complexity of real-world relationships without sacrificing data integrity or performance.

In conclusion, Michael emphasizes the importance of flexibility and adaptability in data modeling. Implementing Multi-Active Satellites on Links can provide significant advantages in managing complex data relationships, allowing for more granular and accurate data analysis. This approach aligns with best practices in Data Vault 2.0 and supports the goal of creating robust, scalable, and responsive data architectures. Michael encourages practitioners to challenge conventional boundaries and explore innovative solutions to meet their unique data management needs.

Meet the Speaker

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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To support the creation of Visual Data Vault drawings in Microsoft Visio, a stencil is implemented that can be used to draw Data Vault models. The stencil is available at www.visualdatavault.com.

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