Leetcode SQL 50 - Beginner to Advanced - Part 2

Hi everyone,
I Spent another 1 Hour solving Leetcode SQL 50 and Here's What I Found.

In this video, I solve SQL 50(free version ) problems 13-22, breaking down the logic and explaining every query in detail.
Whether you're preparing for interviews or brushing up your database knowledge, this is for you!

One key lesson that I found helpful:
1.Always breakdown the problems into smaller chunks to solve it faster.
2. Also learnt that you don't necessarily have to join multiple tables for an output. Both tables can be used without joining
3. Also learnt some quick facts about SQL e.g. how SQL combines nulls in a column if used in group by, convert function is another type of function which can be used to convert not only data types but length of column etc.

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📌 Timestamps:
00:40 - Problem 13
08:04 - Problem 14
15:24 - Problem 15
17:53 - Problem 16
25:55 - Problem 17
30:49 - Problem 18
42:20 - Problem 19
50:10- Problem 20
59:50- Problem 21
1:07:04 - Problem 22

💡 What you'll gain:

Clear understanding of SQL queries
Insights into solving real interview questions
Confidence to tackle SQL challenges
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#SQL #LeetCodeSolutions #DataScience

[baluaggala]

good to see company even i have started this week 50 sql in leetcode

[Deepskap-vz]

Can you please do videos on interview questions in data scientist roles