In the past days I finally complete the sql 50 challenge from leetcode, and in this post I will share with all of you the good and bad of the challenge.
The good
- Different topics from easy problems like simple select to more complex one where you need to do joins, group by, etc.
- Split in group according with the main idea of the section for example sorting, joins, aggregate functions.
- Really nice to get started with sql
The bad
- Some problems the testcase suit was changed so, answer that in the past where correct now are incorrect.
- Some problems need a little bit of improvement in the description of them.
Conclusion
In general is a really good starting point, I use this challenge to practice more my sql skills and I found my self sometimes discovering really nice things looking at the solutions by other people.
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