LeetCode SQL Problem #1633: Percentage of Users Attended a Contest

Welcome back to another SQL problem-solving session! In this video, we tackle LeetCode SQL Problem #1633: Percentage of Users Attended a Contest. This problem is a great challenge for practicing SQL aggregation, grouping, and calculating percentages.

📌 Problem Overview: In this problem, we are tasked with calculating the percentage of users who attended a contest. This involves grouping data by user, counting contest participation, and calculating the percentage based on total users.

💻 What You’ll Learn:

How to use COUNT() and GROUP BY to aggregate data
Calculating percentages using SQL
Best practices for writing clean and efficient SQL queries
Topics Covered:

Aggregating and grouping data in SQL
Calculating percentages based on aggregated values
Query optimization techniques for better performance
Who Should Watch This Video?

SQL learners looking to sharpen their skills with aggregation and percentages
Developers preparing for SQL-based technical interviews
Anyone interested in learning how to calculate participation rates in SQL
🔗 LeetCode Problem Link: Percentage of Users Attended a Contest

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