If you're a data engineer and you haven't gone through this yet you're making life harder for yourself. that's it. that's the review

This is the first resource where I actually understood why you'd pick one modelling approach over another instead of just memorizing patterns. that alone was worth it for me

Hot take maybe but the data modelling content in here is better than most of what's in the Kimball book and I say that as someone who loves Kimball. it's more practical and doesn't assume you're working in a 2005 data warehouse. the examples actually feel modern

This is genuinely the best DE interview resource I've come across and I've spent an embarrassing amount of money on courses. the system design framework just makes sense. like it clicks in a way other stuff didn't