Domain Driven Design & NoSQL
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The document discusses the principles of Domain Driven Design (DDD) and its relationship with NoSQL databases, specifically focusing on ArangoDB. It emphasizes the importance of creating an ubiquitous language among developers and domain experts to facilitate understanding and collaboration. Additionally, it explores concepts like document stores, the use of multi-model databases, and the iterative development process in building a cohesive model.
Domain Driven Design & NoSQL
- 1. Escaping the Tower of Babel Domain Driven Design & NoSQL
- 3. Domain Driven Design • Find an ubiquitous language • The language is based on the domain • Every person involved understands the language Eric Evans
- 4. Iterative Development Close relationship between devs & domain experts Domain Driven Design
- 6. I work for ArangoDB GmbH
- 8. ArangoDB is an Open Source NoSQL Database
- 9. But what is NoSQL?
- 10. SQL NoSQL
- 11. SQL Not only SQL
- 12. What is NoSQL? What is SQL? What is a relational algebra? What is a relation? Not SQL A relational algebra An algebra on relations
- 13. {(Alice, 1983-07-1, 1) (Bob, 2014-03-19, 2)}
- 14. name birthday city Alice 1983-07-1 1 Bob 2014-03-19 2
- 16. Entity Value Object Service Identified by ID Value What it does State Mutable Immutable Stateless
- 17. + Factories + Repositories + Aggregates
- 18. DENORMALIZATION
- 19. Lift the restriction • Tuples with arbitrary attributes • Tuples containing other Tuples
- 23. JOINS
- 33. Explain graphs. Learn about the domain. Find the common language. Build one model for everyone involved. Evolve the model alongside the implementation moonglum moonbeamlabs arangodb.org