Install Simple Schema for Collection Validation

Database schema

A database schema is a blueprint that enforces the uniformity of the data stored. MongoDB doesn’t require that the stored data is uniform. We can arbitrarily store any value in a collection. JavaScript objects don’t have a strict type system or structure. So, to ensure that we don’t mess things up by storing heterogeneous JavaScript objects in the MongoDB collection, we’ll use an object schema validator.

We can install a package that ...