Listing and showing collections in a MongoDB database
A collection in MongoDB is a group of documents (JSON objects). A collection represent a table in an RDBMS except that it's schema-less which means that every document inside of a colelction can have different strcuture and different field types.
To list MongoDB collections we'll use the "show collections" command.
> use yamicode switched to db yamicode > show collections col1 col2 ...