Deloitte SQL Interview Question | EP-17 | Level-Hard | #dataanalyst #sqlinterview #sql

📌 Master SQL Data Manipulation: Reverse ProductIDs by Category! 📌

In this step-by-step tutorial, learn how to reverse ProductIDs within each category using advanced SQL techniques! Whether you’re prepping for an interview or optimizing data order, this trick will level up your SQL game. 🚀

🔍 What You’ll Learn:
✅ How to use ROW_NUMBER() with PARTITION BY for dynamic ranking
✅ Leveraging Common Table Expressions (CTEs) for cleaner code
✅ Self-join strategies to reverse order within groups
✅ Practical use case for reordering product data

Whether you're a beginner or looking to enhance your SQL skills, this video will help you master window functions effortlessly.

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📌Script:-
CREATE TABLE Products (
ProductID INT,
Product VARCHAR(255),
Category VARCHAR(255)
);

INSERT INTO Products (ProductID, Product, Category) VALUES
(1, 'Laptop', 'Electronics'),
(2, 'Smartphone', 'Electronics'),
(3, 'Tablet', 'Electronics'),
(9, 'Printer', 'Electronics'),
(4, 'Headphones', 'Accessories'),
(5, 'Smartwatch', 'Accessories'),
(6, 'Keyboard', 'Accessories'),
(7, 'Mouse', 'Accessories'),
(8, 'Monitor', 'Accessories');

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Видео Deloitte SQL Interview Question | EP-17 | Level-Hard | #dataanalyst #sqlinterview #sql канала ANKIT RAJ MISHRA