This is by no means meant to replace an understanding of databases. The typical use case is a web scraper, where you download a lot of messy data into an operat

This is by no means meant to replace an understanding of databases. The typical use case is a web scraper, where you download a lot of messy data into an operational data store before you clean it up and load it into something with a proper model. Many people use mongo for this, but I actually like keeping my data around.