If you have two days to learn the very basics of modelling, Domain-Driven Design, CQRS and Event Sourcing, here's what you should do:
In the evenings read the Domain-Driven Design Quickly Minibook. During the day watch following great videos (in this order):
- Eric Evans' What I've learned about DDD since the book
- Eric Evans' Strategic Design - Responsibility Traps
- Udi Dahan's Avoid a Failed SOA: Business & Autonomous Components to the Rescue
- Udi Dahan's Command-Query Responsibility Segregation
- Greg Young's Unshackle Your Domain
- Eric Evans' [Acknowledging CAP at the Root -- in the Domain Mod