As mentioned in the Prologue, Event Sourcing is a way to persist state. Therefore, the way to handle persistence is one of the fundamental differences of event-sourced systems, compared with state-based systems.
Read more about essential concepts of event-sourced persistence.
Make sure to read about events serialisation.
📄️ Aggregate stream
Aggregate as a stream of events
📄️ Event store
Event store infrastructure
📄️ Aggregate store
How aggregates are stored in an event store
How events are serialized and deserialized