Parquet File Format - Explained to a 5 Year Old!
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. https://data-mozart.com/parquet-file-... 00:00 - Introduction 02:05 - Why Parquet? 03:06 - Understanding row-based storage 04:06 - Understanding column-based storage 05:01 - Understanding Parquet storage with row groups 05:43 - Understanding projection and predicate(s) 07:30 - Performance tips and optimal file size 08:31 - Data compression in Parquet 10:04 - Understanding Delta format
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