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REQUIREMENTS FOR HASHING Traditional data warehouses often use sequence numbers to identify records in other tables. By using sequences, this method comes with some drawbacks. One of the biggest drawbacks…
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An initial decision of critical importance within Data Vault development relates to the definition of naming conventions for database objects. As part of the development standardization, these conventions are mandatory…
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Data Security Concepts The focal point of our discussion revolves around critical aspects such as security controls, access controls, and the definition of identities. The primary objective of this solution…
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Naming Conventions Data Vault modeling is a powerful approach that introduces a multitude of entities to the database. To enhance usability and facilitate effective development, it is highly advisable to…
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What Are Bridge Tables? Bridge tables are special entities within the Data Vault that leverage query performance on the way out of the Data Vault. These entities are placed between…
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Back in 2017 we introduced the link structure with an example of a Data Vault model in the banking industry. We showed how the model looks like when a link…
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Data Tests Testing is very important for data warehouse systems to make them work correctly and efficiently. In unit testing, each component is separately tested. By testing business logic using…
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Skilled modeling is important to harness the full potential of Data Vault 2.0. To get the most out of the system due to scalability and performance, it also has to…
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Point in time tables are useful when querying data from the Raw Vault that has multiple satellites on a hub or a link: About Point In Time Tables Tables In…
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The latest story to find itself added to the growing number of successful implementations of Scalefree’s services, and Data Vault 2.0 as a whole, centers around a sector known for…
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Focus on trends: Data Lake and no-sql, dwh architecture, self-service bi, modeling and gdpr In the past, we wrote about topics we were confronted with when we consult our clients…
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Looking beyond Scrum and learn how to increase the value in Data Vault 2.0 projects Earlier this year we talked about Managed Self-Service BI to explain how business users can…
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