SQL 50 FROM Leetcode

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 wh…


This content originally appeared on DEV Community and was authored by Carlos Estrada

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.


This content originally appeared on DEV Community and was authored by Carlos Estrada


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