system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
What is a Delta Lake?


assistant
A Delta Lake is an open-source storage layer designed to run on top of an existing data lake and improve its reliability, security, and performance. Delta Lakes support ACID transactions, scalable metadata, unified streaming, and batch data processing.