Data Access Patterns

Data Access Patterns guide you in reading and writing information through clear interfaces, hiding database details so storage can change without breaking the rest of the code.

Repository Pattern: Library Catalogue

Explains the Repository Pattern in C# using a library catalogue analogy, showing how it simplifies and centralises data access.

Unit of Work Pattern: Supermarket Checkout

Explains the Unit of Work Pattern in C# using the supermarket checkout analogy to show how changes are grouped and saved together.

Data Mapper: Delivery Service Analogy

The Data Mapper pattern helps you move data between your applicationÔÇÖs objects and the database, keeping both sides clean, independent, and maintainable.

CQRS: Sending vs. Tracking Parcels at the Post Office

Explains CQRS using the post office analogy: sending parcels changes the system, tracking them only reads information. Shows when and how to use CQRS in C# with clear sections.