This video explains about columnar databases.
What is Cloud Computing?
https://youtu.be/qieZRVdKkSg
What is Machine Learning ? - In simple terms
https://youtu.be/qCrl-o2VuZI
What is Deep Learning ? - In simple terms
https://youtu.be/xjdtTbYtO6E
Snowflake - An Introduction:
https://youtu.be/u43bIyNrY4Y
What is MPP - Massive Parallel Processing?
https://youtu.be/sSJ8Ek2zUnk
What is a Columnar database?
https://youtu.be/4vVz08bN74Y