LeetCode 595 | Big Countries | LeetCode TOP 50 SQL Problems | SQL Study Plan

Welcome to the Top SQL 50 by LeetCode! 🚀
This playlist is your one-stop solution to mastering the top 50 SQL questions curated by LeetCode. Whether you're preparing for FAANG, startups, or data analyst roles – this hands-on practice will sharpen your problem-solving skills and SQL mindset.

595. Big Countries

You're given a table World containing information about countries including their name, continent, area, population, and GDP.

Your task is to identify and return the countries that are considered "big", based on either of the following conditions:

The country's area is at least 3,000,000 km², OR

The country's population is at least 25,000,000

You need to return the name, population, and area of these countries.

✅ Solution Approach (SQL)
We use a simple SELECT query with a WHERE clause combining the two conditions using OR.

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✅ What you’ll get from here:

Complete walkthroughs of each question

Real interview-style SQL questions

Step-by-step concept explanations

Tips to build the right approach

LeetCode Study Plan breakdown

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📚 LeetCode SQL 50 - Complete Playlist | Crack SQL Interviews at Amazon, Microsoft, Google & Top MNCs

Welcome to the ultimate SQL preparation series! This playlist covers all 50 curated SQL problems from the LeetCode SQL Study Plan – designed to take you from beginner to interview-ready with step-by-step explanations, real-time SQL query walkthroughs, and powerful problem-solving strategies.

💼 Aspirants preparing for top tech companies like:
Amazon | Microsoft | Google | Meta | LinkedIn | Oracle | Adobe | Flipkart | and many more

✅ Whether you're aiming for a Data Analyst, Backend Developer, or Data Engineer role – this playlist will boost your skills and confidence!

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