Excited to share that I've just finished StrataScratch's Advanced SQL 25 Questions!
This was a challenging but rewarding experience that pushed my analytical and problem-solving skills to the next level. The journey was a marathon, not a sprint, but the learnings have been invaluable.
I tracked my progress in a Notion database, which includes the questions, the companies they came from, and my solutions. If you'd like to try it yourself, I've set it up as a template you can duplicate. Just let me know in this post's comments, and I'll provide you with the link.
A huge shout-out to Frederik Müller for the inspiration. While I didn't watch his video, his post was the catalyst that got me started on this path, so thank you for the inspiration that encouraged me to push my limits. Ofc, also to Stratascratch for the wonderful resource!
Some of my key learnings from this challenge include a deeper understanding of advanced window functions, recursion, complex joins, and query optimization. I'm always looking to learn and grow in the data space, and this was a fantastic way to do it.
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