Another Meta / Facebook SQL Interview Question for Data Scientists / Analysts (StrataScratch 2086)

Solution and walkthrough of a real SQL interview question for Data Scientist and Data Analyst technical coding interviews. This question was asked by Meta (Facebook) and is called "Number of Conversations". Try this question on StrataScratch: https://platform.stratascratch.com/coding/2086-number-of-conversations?via=frederik Find me on LinkedIn: http://linkedin.com/in/frederikmueller/ 0:00 Intro 0:07 UNION Solution 8:26 CASE WHEN Solution 10:31 Outro Playlists: StrataScratch SQL Coding Questions: https://youtube.com/playlist?list=PLdrw9_aIADIO_l7hCd4xiJ2mBwiOb4jkU LeetCode database SQL problems: https://youtube.com/playlist?list=PLdrw9_aIADIPAMJW8I_S-S747oyiRtzpS LeetCode easy SQL problems: https://youtube.com/playlist?list=PLdrw9_aIADINpdkxu_RHaY16QmG8-mRSm LeetCode medium SQL problems: https://youtube.com/playlist?list=PLdrw9_aIADIMSQe_-m6xknIdPPNiYngKh LeetCode hard SQL problems: https://youtube.com/playlist?list=PLdrw9_aIADIP0sYoOt2mql4Hb06Y1D0z2