MLV Prasad - LeetCode SQL [ MEDIUM] | 2324 | "Product Sales Analysis IV" |

MLV PRASAD - Unlocking the Power of SQL for Interviews
💫 Welcome to MLV PRASAD's KZbin channel!
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🌟 About MLV PRASAD:
MLV PRASAD is an enthusiastic learner and practitioner in the fields
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🎯 The Power of Learning SQL and LeetCode for Interviews:
Mastering SQL and LeetCode is crucial for excelling in technical interviews. By
understanding the intricacies of SQL query writing, optimization, and
data manipulation, you'll enhance your problem-solving skills and gain a
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SQL questions, providing step-by-step explanations, best practices, and
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MLV PRASAD is currently pursuing an M.Sc. in Computer Science specializing
in AI and ML from Woolf University (2022-2024). This academic background
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[@ritamdas2983]

WITH CTE AS( SELECT user_id,product_id,SUM(quantity) as addition FROM Sales GROUP BY user_id,product_id ), CTE1 AS( SELECT s.user_id as user_id,s.product_id as product_id,addition*price as Price FROM CTE s INNER JOIN Product p ON s.product_id=p.product_id ), CTE2 AS( SELECT user_id,price,product_id,DENSE_RANK() OVER(PARTITION BY user_id ORDER BY price DESC) rnk FROM CTE1 ) SELECT user_id,product_id FROM CTE2 WHERE rnk=1;

[@ai.mlvprasad]

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