What is a subdocument in Mongoose?

In Mongoose, subdocuments are documents that are nested in other documents. You can spot a subdocument when a schema is nested in another schema. Note: MongoDB calls subdocuments embedded documents.

What is Mongoose model?

A Mongoose model is a wrapper on the Mongoose schema. A Mongoose schema defines the structure of the document, default values, validators, etc., whereas a Mongoose model provides an interface to the database for creating, querying, updating, deleting records, etc.

What is Mongoose schema and model?

In mongoose, a schema represents the structure of a particular document, either completely or just a portion of the document. It’s a way to express expected properties and values as well as constraints and indexes. A model defines a programming interface for interacting with the database (read, insert, update, etc).

What is sub document?

Filters. (computing, wordprocessing) A document making up part of a larger document. noun.

What is ref in Mongoose schema?

The ref option is what tells Mongoose which model to use during population, in our case the Story model. All _id s we store here must be document _id s from the Story model. Note: ObjectId , Number , String , and Buffer are valid for use as refs.

What is __ V in MongoDB?

__v field. This is a document inserted through the mongo shell in a collection. It describes the internal revision of a document. This __v field is used to track the revisions of a document. By default, its value is zero.

Is Mongoose a framework or library?

Mongoose is a JavaScript framework that is commonly used in a Node. js application with a MongoDB database.

Which is better MongoDB or mongoose?

So if you wanna go for a multitenant application, go for mongodb native driver. mongo-db is likely not a great choice for new developers. On the other hand mongoose as an ORM (Object Relational Mapping) can be a better choice for the new-bies.

What does mongoose model () do?

model() Function. The mongoose. model() function of the mongoose module is used to create a collection of a particular database of MongoDB. The name of the collection created by the model function is always in plural format mean GFG to gfss and the created collection imposed a definite structure.

What is difference between MongoDB and mongoose?

In terms of Node. js, mongodb is the native driver for interacting with a mongodb instance and mongoose is an Object modeling tool for MongoDB. Mongoose is built on top of the MongoDB driver to provide programmers with a way to model their data.

How do I create a subdocument in Word?

Click the Insert button in the Master Document group on the Outlining tab. An Insert Subdocument dialog box appears. This dialog box is identical to the Open dialog box except for its name. Find the file you want to insert as a subdocument, choose it, and click Open.

How do I select subdocument in Word?

Click the Insert tool. Word displays the Insert Subdocument dialog box, which looks like a standard Open dialog box. Use the dialog box controls to select the document you want used as a subdocument. Click on Open.