What is Version Key in Mongoose?

The versionKey is a property set on each document when first created by Mongoose. This keys value contains the internal revision of the document. The name of this document property is configurable.

What is ObjectId in Mongoose?

ObjectId . A SchemaType is just a configuration object for Mongoose. An instance of the mongoose. ObjectId SchemaType doesn’t actually create MongoDB ObjectIds, it is just a configuration for a path in a schema.

What is the ObjectId type for?

MongoDB provides an automatic unique identifier for the _id field in the form of an ObjectId data type. For those unfamiliar with MongoDB Documents, the ObjectId datatype is automatically generated as a unique document identifier if no other identifier is provided.

What is the Mongoose code?

Mongoose is an Object Data Modeling (ODM) library for MongoDB and Node. js. It manages relationships between data, provides schema validation, and is used to translate between objects in code and the representation of those objects in MongoDB.

What is the difference between id and _ID in mongoose?

What is the difference between id and _id in mongoose?, From the documentation: Mongoose assigns each of your schemas an id virtual getter by default which returns the documents _id field cast to a string, or in the Mongoose assigns each of your schemas an id virtual getter by default which returns the documents _id field cast to a string, or in the case of ObjectIds, its hexString. So, basically, the id getter returns a string representation of the document’s _id (which is added to all

Why to define a mongoose schema?

Mongoose schema types are used to define a particular data structure for a MongoDB document. Schema types are useful for managing a definition for path defaults, strings, numbers, validation, getters, setter, field selection, and general queries.

What is mongoose JS?

Node.js Mongoose is a MongoDB object modeling tool designed to work in an asynchronous environment.

What is mongoose server?

Mongoose is a cross-platform embedded web server and networking library. The small footprint of the software enables any Internet-connected device to function as a web server. Overview. Mongoose is built on top of the Mongoose Embedded Library which may be used inside of embedded devices.