SQL vs Pandas: Solving LeetCode 2356 for Data Science Interviews

Learn how to solve LeetCode 2356: Number of Unique Subjects Taught by Each Teacher! In this video, we compare the optimal MS SQL solution using COUNT(DISTINCT) with the Python Pandas equivalent using groupby() and nunique().

Whether you are prepping for a Data Science interview, Data Engineering role, or just brushing up on your database querying skills, knowing how to translate SQL logic into Python Pandas is a must-have skill. We break down the exact logic behind grouping data and counting unique values in both languages.

⏱️ Timestamps:
0:00 - Intro
0:36 - SQL Solution
1:12 - Pandas Solution

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