Data Vault ReConnect Speed Presenting AM Part One
•
1 like•895 views
First set of 5x5 Speed Presenting Updates: 1) Core Business Concept 2) Ensemble Modeling 3) Re-Defining the Link 4) Re-Defining the Satellite 5) Architectural Layers
Recommended
Recommended
More Related Content
Similar to Data Vault ReConnect Speed Presenting AM Part One
Similar to Data Vault ReConnect Speed Presenting AM Part One (20)
Recently uploaded
Recently uploaded (20)
Data Vault ReConnect Speed Presenting AM Part One
- 1. Presenter: Date: Note: Company: eMail: Twitter: Hans Hultgren June 5, 2014 Genesee Academy Hans@GeneseeAcademy.com gohansgo
- 2. Core Business Concept is the #Entity, Master Data Component, or #Dimension that the Business actually Works with.
- 3. The level where the Business actually most commonly uses the Concept…
- 5. Not a Sub-Type or lower specification
- 7. Presenter: Date: Note: Company: eMail: Twitter: Hans Hultgren June 5, 2014 Genesee Academy Hans@GeneseeAcademy.com gohansgo
- 8. Separate the things that change from the things that don’t change. DV Ensemble Conforms to a Single Key
- 9. Maintain the KEY DEPENDENCYof Context Attributes. But apply #UnifiedDecomposition to reduce the modeling impact of changes.
- 11. Presenter: Date: Note: Company: eMail: Twitter: Hans Hultgren June 5, 2014 Genesee Academy Hans@GeneseeAcademy.com gohansgo
- 12. Links are based on a Unique, Specific, Natural Business Relationship. Each naturally existing relationship should be modeled individually.
- 13. The Link contains only: 2-n FKs for the Relationship + 3 Untouchables:Surrogate Key, Load Date/Time, and Record Source L_Cust_Class_SID H_Customer_SID H_Sequence2_SID Date/Time Stamp Record source L_Cust_Class
- 14. Transactions are also #CoreBusinessConcepts. So they will decomposedinto a full #Ensemble including a Hub, Link(s) and Satellites.
- 15. Transactions are also #CoreBusinessConcepts. So they will decomposedinto a full #Ensemble including a Hub, Link(s) and Satellites. A TransactionalLink differsfrom a Link because it has a unique identity (similar to a 3NF Entity).
- 16. Presenter: Date: Note: Company: eMail: Twitter: Hans Hultgren June 5, 2014 Genesee Academy Hans@GeneseeAcademy.com gohansgo
- 17. All Context + All History Can only describe the Key of the Hub/Link Can have no #ForeignKeys
- 18. As part of Ensemble: Has no Meaning except in relation to the Whole Multi-Valued means key is not the same as Hub
- 19. Can hold a CODE reference to a Dis-Connected Concept. When #Code is adequate context by itself & downstream joins are rare (<= 5% time) Customer Hub H_Cust_Seq_ID Customer_Number Date/Time Stamp Record Source Href_Customer Type H_Cust_Type_Seq_ID Cust_Type_Code Date/Time Stamp Record Source Customer Sat H_Cust_Seq_ID Date/Time Stamp Cust_Name Cust_Type_Code Record Source Customer Type Sat H_Cust_Type_Seq_ID Date/Time Stamp Cust_Type_Description Record Source
- 20. Assuming Dis-Connected Concept is a Core Business Concept related to that subject area, it can also be Promoted easily. Customer Hub H_Cust_Seq_ID Customer_Number Date/Time Stamp Record Source Href_Customer Type H_Cust_Type_Seq_ID Cust_Type_Code Date/Time Stamp Record Source Customer Sat H_Cust_Seq_ID Date/Time Stamp Cust_Name Record Source Customer Type Sat H_Cust_Type_Seq_ID Date/Time Stamp Cust_Type_Description Record Source Cust_/_Cust_Type_Link H_Cust_Type_Seq_ID H_Cust_Seq_ID Date/Time Stamp Record Source
- 21. Presenter: Date: Note: Company: eMail: Twitter: Hans Hultgren June 5, 2014 Genesee Academy Hans@GeneseeAcademy.com gohansgo
- 22. Source-facing auditability and Business-facing central business view…
- 24. Problem with 1:1 RAW DV in the EDW… Accounting Finance Logistics Sales Star 1 Star 2 Star 3 Star 4 Star 5 Star 6 Star 7 Star 8 Star 9 Star 10 Star 11 Star n… Accounting Finance Logistics Sales
- 25. …will need to have a BDW Layer for the EDW However now can still lose auditable path and we are tied to a mandatory persisted layer… Star 1 Star 2 Star 3 Star 4 Star 5 Star 6 Star 7 Star 8 Star 9 Star 10 Star 11 Star n… Accounting Finance Logistics Sales Accounting Finance Logistics Sales BDV
- 26. Can instead practice “RAW Integration” to maintain auditable path and reduce layers. Star 1 Star 2 Star 3 Star 4 Star 5 Star 6 Star 7 Star 8 Star 9 Star 10 Star 11 Star n… Acctg / Fin Sales BDV Sales Accounting Finance Logistics RAW BDV
- 27. How Much can be done #InMemory? #Virtualized?