MongoDB collections
A MongoDB collection is a list of MongoDB documents and is the equivalent of a relational database table. A collection is created when its first document is being inserted. Unlike a table, a collection doesn't enforce any type of schema and can host different structured documents.
To perform operations on a MongoDB collection, you'll need to use the collection methods. Let's create a posts collection and insert the first post. In order to do this, execute the following command in the MongoDB shell:
> db.posts.insert({"title":"First Post", "user": "bob"})
After executing the preceding command, it will automatically create the posts collection and insert the first document. To retrieve the collection documents, execute the following ...
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