I loved the practical focus of this advanced data‑storage course. It helped me finally nail down the difference between hot and cold storage tiers, which was exactly what I needed for my master's thesis. The video tutorials were concise and the quizzes kept me on track. I especially appreciated the real‑world example where we set up a tiered S3 bucket and applied lifecycle policies – I’ve already used that in a personal project. The overall vibe was relaxed yet informative, and I left feeling confident about my next steps in data engineering.
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