Modeling: From Structured Data Representation to Problem Domain
Recently, I was discussing adding a feature to an application which is about event creation and booking. The project manager has a strong database background and works on the schema himself. The schema is also his go-to tool to express changes in the features. But thinking about the real Domain in terms of objects revealed much, much more.
Solve database mapping problems and the impedance problem of ActiveRecord
Some time ago, I read about database design and mapping object hierarchies to database tables. Ruby on Rails’ default approach is to use a technique called Single-Table Inheritance. This design pattern has some drawbacks.