🎉 Welcome to the first part of Delta Lake essential fundamentals! 🎉 What is Delta Lake ? Delta Lake is an open-source storage layer that brings ACID transactions to Apache Spark™ and big data workloads. DeltaLake open source consists of 3 projects: detla - Delta Lake core, written in Scala. delta-rs - Rust library for binding with Python and Ruby. connectors - Connectors to popular big data engines outside Spark, written mostly in Scala.