LeetCode 2356: Number of Unique Subjects Taught by Each Teacher [SQL]

Опубликовано: 23 Август 2026
на канале: Frederik Müller
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Solution and walkthrough of a real SQL interview question for Data Scientist and Data Analyst technical coding interviews. This question is marked as easy and is called "Number of Unique Subjects Taught by Each Teacher".

Try this question: https://leetcode.com/problems/number-...

Check out StrataScratch: https://www.stratascratch.com?via=fre...

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