DDD

Traditional banks Vs Fintech on performance

Why Traditional Bank Apps in Nigeria Load Slowly — and Why Fintech Apps Feel Instant

November 9, 2025

adminusr cqrs, DDD, event-driven architecture, microservices

0 likes6 views6 min

Why Traditional Bank Apps in Nigeria Load Slowly — and Why Fintech Apps Feel Instant Why are Nigeria bank app slow? Have you ever noticed that when you log in to some traditional Commercial bank’s mobile app in Nigeria, the screen loads for several seconds before showing your accounts info, balances, and recent transactions? Yet...

Many-to-Many Relationship using Entity Framework or Java JPA.

October 26, 2025

adminusr .NET 8, Association, Clean Architecture, CodeTrip, Composition, DDD, Domain-Driven Design, Entity Framework, GoProcure, Java, JPA, Procurement System, Software Engineering, Tech and Coding with Ola, Vendor Item Relationship

0 likes3 views4 min

Design Decision: Final Vendor ↔ Item (Many-to-Many)Relationship in GoProcure (Association + Composition) Introduction As we continue building the GoProcure enterprise procurement system, one of the most crucial design decisions we had to revisit was the relationship between Vendor and Item. At first glance, it might seem simple — “a Vendor supplies many Items.” But in...

Understanding Association, Aggregation, and Composition in Domain Modelling

October 26, 2025

adminusr .NET 8, Aggregation, Association, Class Diagram, Clean Architecture, CodeTrip, Composition, DDD, Domain-Driven Design, Entity Framework, GoProcure, Java, JPA, Software Engineering, Tech and Coding with Ola

0 likes7 views5 min

Understanding Association, Aggregation, and Composition in Domain Modelling When modeling your domain, not all relationships between classes are equal. In Object-Oriented Design (OOD) and Domain-Driven Design (DDD), three core relationship types define how objects relate to each other: Association, Aggregation, and Composition. These relationships go beyond mere “connections” — they express ownership, lifecycle, and dependency...

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