Window Function in SQL: A Step-by-Step Guide to Solve Amazon Interview Question

This video will walk you through Amazon's 'Caller History' SQL interview question. The video covers finding the first and last call recipient per day for each caller ID using window functions and provides a sample solution using SQL. Go to the question through the link below and follow along with me👇 https://platform.stratascratch.com/coding/2132-caller-history?code_type=2+&utm_source=youtube&utm_medium=click&utm_campaign=YT+window+function+in+amazon+question ______________________________________________________________________ 👉 Subscribe to my channel: https://bit.ly/2GsFxmA 👉 Playlist for more data science interview questions and answers: https://bit.ly/3jifw81 👉 Playlist for data science interview tips: https://bit.ly/2G5hNoJ 👉 Practice more real data science interview questions: https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+window+function+in+amazon+question ______________________________________________________________________ Timeline: Intro: (0:00​​​) Interview Question: (0:19 ) Exploring and understanding the dataset: (0:36) Writing out the approach: (1:23​​) Coding the solution: (1:45) Conclusion: (​10:40) ______________________________________________________________________ About The Platform: I'm using StrataScratch (https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+window+function+in+amazon+question), a platform that allows you to practice real data science interview questions. There are over 1000+ interview questions that cover coding (SQL and python), statistics, probability, product sense, and business cases. So, if you want more interview practice with real data science interview questions, visit https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+window+function+in+amazon+question. All questions are free and you can even execute SQL and python code in the IDE, but if you want to check out the solutions from me or from other users, you can use ss15 for a 15% discount on the premium plans. ______________________________________________________________________ Contact: If you have any questions, comments, or feedback, please leave them here! Feel free to also email me at [email protected] ______________________________________________________________________ #SQLWindowFunctions #AmazonInterviewQuestion