SQL - Advanced 3
The goal of this quest series is to improve your SQL skills
Goals
- Improve your SQL skills
Codewars Katas
You need to resolve this two Codewars Katas
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SQL Basics: Simple JOIN and RANK
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SQL Basics: Top 10 customers by total payments amount
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Challenge
Codewars Katas
Once you have completed the katas, you can validate this quest yourself.