YOUR AD GOES HERE

Only 1 in 10 Gets This FAANG SQL Question Right | LinkedIn | Abnormal Spike Detection |

Published 29, Jan 2026

Learn at Knowstar


Description:
In this video, we solve a FAANG-level anomaly detection problem in SQL Server, using:

✅ Daily aggregation (from irregular event timestamps)
✅ Moving average baseline (rolling window)
✅ Standard deviation (behavior volatility)
✅ Real-world traps like missing days + baseline contamination

If you want more FAANG-style SQL questions with datasets + step-by-step solutions, check out my SQL Practice Workbook -
https://knowstar.gumroad.com/l/gyaous

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

Must Do Data Analytics Certifications -

Google Data Analytics Professional Certificate - https://imp.i384100.net/OR37oQ

Google Advanced Data Analytics Professional Certificate - https://imp.i384100.net/eK1WmQ

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

Releted More Videos

You May Also Like

YOUR AD GOES HERE

YOUR AD GOES HERE