SQL Hard Problem | Rank Variance Per Country Explained 🔥 | Dense Rank + CTE + Window Functions
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YouTubeThe Data Dose
SQL Hard Problem | Rank Variance Per Country Explained 🔥 | Dense Rank + CTE + Window Functions
Welcome back to The Data Dose 🚀 In today’s video, we solve a Hard SQL Interview Question: Rank Variance Per Country. You’ll learn how to compare country rankings based on total comments across two months using: CTEs CASE WHEN Conditional Aggregation DENSE_RANK() Window Functions Real Interview SQL Logic 📌 Problem Statement: Compare ...
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