Mongoose vs Mongod B - What's the Difference?

Mongoose is an o d m equivalent for mungo d b. It uses the mungod b no j s driver under the hood, but it adds a lot of functionality on top of it that you would expect from an o r m. Think like ema validation, pluggin middle ware. That's all those things that would expect from like an active reccord. Mongos provide set for no j s and mulgety b. With mongoose, you have a model, and the structure of your model match you have the data thats in your data base.