Meta & Pinterest SQL Interview: Count Unique Users Logging in on Both Mobile & Web | SQL JOIN

📌 "Meta & Pinterest SQL Interview: Count Unique Users Logging in on Both Mobile & Web (SQL JOIN & COUNT DISTINCT Tutorial!)" 🚀

💡 In this video, I walk you through a real SQL interview question from Meta & Pinterest where we need to count the number of unique users who logged in from both a mobile device and the web on the same day. This is a common SQL problem that tests your ability to use JOINs, COUNT DISTINCT, and filtering techniques efficiently!

🔥 What You’ll Learn:
✅ How to use JOINs to combine mobile & web logins 🔍
✅ Using COUNT DISTINCT to get unique users
✅ How to group data using GROUP BY
✅ How SQL is used in real-world user activity tracking

🎯 Who is this for?

Aspiring Data Analysts, Data Engineers, BI Analysts, & Data Scientists
Candidates preparing for Meta & Pinterest SQL interviews
Anyone looking to improve their SQL query skills
📌 Next Steps:
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Видео Meta & Pinterest SQL Interview: Count Unique Users Logging in on Both Mobile & Web | SQL JOIN канала Your Data Guy