A fact based look at Hashing and Sequences and Collision Strategies in Data Vault 2.0 Standards.
A short look at why the Data Vault standards are the way they are.
A short entry explaining the thought process behind the switch in DV2 away from sequences over to hash keys. Also describes some of the issues if Natural or Business keys are selected instead of hashes as PRIMARY KEYS in the Data Vault Model.
Opened up #datavault Modeling Standards WIKI for the world to collaborate. Have Fun!
A brief look in to what to ask, and how to go about challenging the Data Vault modeling standards (if you really want to know)
False claims made in Hans Hultrgens’ book about Data Vault Modeling
A short introduction to Data Vault 2.0, and a discussion of the old standards of Data Vault 1.0 – along with some information about where DV2.0 is going, and the future of Data Vault
This is a clarification post about the standards, certification, and offering licensed training in the market place.
In this entry I discuss how and why I arrived at the DV standards. It seems there is a push out there to modify the standards, and I want people to understand what they should go through before proposing changes to the model and methodology.
Here are the rules for specification Version 1.0.9 of Data Vault Modeling. (Please feel free to comment on them by replying to this post). The new pieces are marked in RED as usual. (more…)