Summary
MongoDB is a flexible and scalable NoSQL database. It's non-relational, maintaining its records as documents in collections as opposed to rows in tables. MongoDB is schemaless; its collections are flexible and do not enforce a particular data structure.
MongoDB documents are stored as binary encoded JSON, or BSON. The object-oriented nature of its documents makes MongoDB well suited for use with object-oriented languages such as JavaScript.
As with all databases, MongoDB offers CRUD operations. Operations on MongoDB are carried out using JavaScript-like syntax.
Optimizing MongoDB performance as a developer involves reducing the amount of data returned by queries and using indexes well.
In the next chapter, you will begin handling web requests ...
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