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Advanced SQL: Detect Missing & Out-of-Order Payment Events (FAANG Style)

Published 20, Jan 2026

Learn at Knowstar


Description:
Stripe-style SQL interview questions are NOT about joins —
they’re about logic, sequencing, and edge cases.

In this video, we solve a real FAANG-level SQL problem:
Detect broken payment event chains using event ordering logic.

We walk through:
✅ How to think in event chains
✅ How to detect missing steps logically
✅ Why this question shows up at Stripe, Meta & Uber
✅ How interviewers evaluate your reasoning

This is how real payment systems are validated.

???? Perfect for:
• Data Analysts
• Data Engineers
• SQL Interview Prep (FAANG)
• Stripe / Payments domain interviews

If this question helped, you’ll find more hands-on practice in my SQL Interview Practice Workbook, linked below.
https://knowstar.gumroad.com/l/gyaous

Datasets and SQL Code here -
https://github.com/learnknowstar-cpu/FAANG-SQL-Bootcamp

Please do not forget to like, subscribe and share.

For enrolling and enquiries, please contact us at
Website - https://knowstar.gumroad.com/
Instagram - https://www.instagram.com/learn.knowstar/
Blog - http://know-star.blogspot.com/
Linkedin - https://www.linkedin.com/company/learn-at-knowstar/
Instructor’s LinkedIn - https://www.linkedin.com/in/kriti-c-a83503145/
Email - learn@knowstar.org

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