Welcome to the fourth episode of Analytics Bytes: A video series where we explore common Startups analytics use cases and how to architect for them. Transactional Data Lakes provide lower ETL time resulting in the end consumer being able to access data with low latency. This video describes the need for transactional data lake and explores how to run successful transactional data lakes on AWS. It explains the open source frameworks that integrate with AWS that achieve the transactional behavior on the data lake.