Understanding Mongoose

Mongoose is an ODM library that wraps around the MongoDB Node.js driver. It provides a schema-based solution to model data stored in the MongoDB database.

The chief benefits of using Mongoose are:

You can create a schema structure for you documents.

Objects/documents in the model can be validated.

Application data can by typecasted into the object model.

Business logic hooks can be applied using middleware.

Mongoose is in some ways a bit easier to use than the MongoDB Node.js native driver.

However, there are some downsides to using Mongoose as well:

You must provide a schema, which isn’t always the best option when MongoDB doesn’t require it.

It doesn’t seem to perform as well at certain operations, such as storing data, as the native driver does.