Agile Bi Dw
- 1. Agile BI/DW Daniel Fagerström www.danielfagerstrom.com
- 2. Just follow the book ? Yes, but … What are the user stories? Agile DB practices? Agile operations?
- 3. Dimension model Customer name city Store name region Product name class Date year month ReceiptLine amount
- 4. Architecture Customer registry Product registry Org. registry Transactions Raw data Staging Dimension model Marts OLAP Cube Reporting Applications ETL
- 5. Backlog Start with the most important: Star Dimension Attributes in the dimension ETL – start with simpler tasks: One time load Subset data
- 6. Breadth or depth Breadth Simplified load of the most important dimension models Early feedback, earlier build of dependent systems Depth Complete load of one dimension at a time Early deployment of usable sub systems
- 7. Agile DB Practices Agile DB refactoring Scott Ambler Change scripts for everything Common code owner ship Everybody can change the models DB projects in MS VS DB professional Don’t become a bottle neck Broad contact area between team members and operations and source data specialists
- 8. Agile DB Practices Course architecture Agile modeling Just in time design Agile documentation
- 9. Agile DB Practices Subset data Your own DB and development sandbox Staged deployment: dev test prod Continuous deployment TDD?
- 10. Agile Operations Involve operations from day one Operations part of the project Deploy at demo/production server often Start source data deliveries ASAP
- 11. Conclusion Some mental barrier for DB/DW/BI-developers Transparent Steerable Works great! Happy customers!
- 12. More at my blog: www.danielfagerstrom.com