SQL - Fundamentals 5
The goal of this quest series is to improve your SQL skills
Goals
- Improve your SQL skills
Codewars Katas
You need to resolve this three Codewars Katas
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SQL Basics: Mod
codewars.com
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Easy SQL: Rounding Decimals
codewars.com
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Easy SQL: Convert to Hexadecimal
codewars.com
Challenge
Codewars Katas
Once you have completed the katas, you can validate this quest yourself.
Ressources partagées sur cette quête
- Mathematical Functions and Operators doc pour PostgreSQL 9.6https://www.postgresql.org/docs/9.6/functions-math.html
- String Functions and Operators Dochttps://www.postgresql.org/docs/9.6/functions-string.html
- pour la question Rounding decimalhttps://stacklima.com/fonction-floor-et-ceil-dans-mysql/