MongoDB Tutorial - 5 - Commands
Learn how to add to, modify and find documents within a mongodb collection.
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Its a good idea to get to know these commands in the shell before diving into Node and Mongoose because the code we write will end up using a lot of these methods and look very similar.
Lets start off by creating a new database. We can do that with the 'use' command. So we'll say Use example. Now, since we're Using this database, we can do stuff with it - like creating and modifying collections and documents.
useful commands for adding, modifying, removing, finding
$upsert needed when record doesn't exist