Event Sourcing: CQRS and querying using read modelsIn my previous post I introduced the concept of Event Sourcing, which is a radically different way of storing application state: instead of storing the current state, we only store the events that lead up to that state. More than one person asked the following question in response: how do you query your application state? If you have a number of appointments in your system, how do you get a list o
