Parquet file format has become a de-facto standard for storing data nowadays. This video will teach you EVERYTHING you should know about Parquet and Delta formats, in an easy-to-understand way. data-mozart.co...
You didn't really explain it to a 5 year old. I am older than that, have experience with databases including low level storage, have a proven IQ level over the average but I am still at a lost after your video. So what does a parquet file look like physically? How do you create a parquet file? Answers to such questions are missing.