JP Margon SQL Interview Question | Group by clause | Udit Soni

Опубликовано: 24 Март 2026
на канале: UDIT SONI
357
12

🔥 Welcome to the Forth Video of the SQL Interview Series! 🔥
Script:
CREATE TABLE credit_card_issuance (
card_name VARCHAR(50) NOT NULL,
issued_amount INT NOT NULL,
issue_month TINYINT NOT NULL CHECK (issue_month BETWEEN 1 AND 12),
issue_year YEAR NOT NULL,
PRIMARY KEY (card_name, issue_month, issue_year)
);

-- Insert the data
INSERT INTO credit_card_issuance (card_name, issued_amount, issue_month, issue_year) VALUES
('Chase Freedom Flex', 55000, 1, 2021),
('Chase Freedom Flex', 60000, 2, 2021),
('Chase Freedom Flex', 65000, 3, 2021),
('Chase Freedom Flex', 70000, 4, 2021),
('Chase Sapphire Reserve', 170000, 1, 2021),
('Chase Sapphire Reserve', 175000, 2, 2021),
('Chase Sapphire Reserve', 180000, 3, 2021);

Struggling with SQL interview questions from top finance firms? In this 4th episode of "SQL for Interviews", we solve JP Morgan Chase’s REAL SQL problem: Analyzing monthly credit card issuance disparities!

📌 What’s Inside?
✅ Step-by-step breakdown of the problem
✅ How to calculate MAX-MIN differences for grouped data
✅ Optimized query writing tips for interviews
✅ Bonus: Pro strategies to handle gaps in SQL interviews!

💡 Perfect for aspiring data analysts, engineers, or anyone prepping for SQL-heavy roles at top-tier companies.

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