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How to insert single and mutiple documents in Mongodb using Node.js ?
  • Last Updated : 01 Dec, 2020

MongoDB, the most popular NoSQL database, is an open-source document-oriented database. The term ‘NoSQL’ means ‘non-relational’. It means that MongoDB isn’t based on the table-like relational database structure but provides an altogether different mechanism for storage and retrieval of data. This format of storage is called BSON (similar to JSON format). Refer (this) article.

mongodb module: This module of Node.js is used for connecting the  MongoDB database as well as used for manipulating the collections and databases in MongoDB. mongodb.connect() method is used for connecting the MongoDb database which is running on a particular server on your machine. (Refer to this article). We can also use promises in this method in resolve the object contains all the methods and properties required for collection manipulation and in reject the error occurs during connection.

Installing module:

node install mongodb

Project structure:



Running the server on Local IP:

mongod --dbpath=data --bind_ip 127.0.0.1

Index.js

Javascript




const MongoClient = require("mongodb");
 
// Server running
 
// Database name
const databasename = "GFG";
 
MongoClient.connect(url).then((client) => {
 
    // Connecting to the database
    const connect = client.db(databasename);
 
     // Database collection
    const collection = connect
        .collection("GFGcollections");
 
    // Inserting single document
    collection.insertOne({
        "name": "aayush", "class": "GFG" });
 
    //inserting multiple document
    collection.insertMany([
        { "name": "saini", "class": "GFG" },
        { "name": "GfGnew", "class": "GFGNEW" }
    ]);
 
    console.log("Insertion Successfull")
}).catch(err) => {
     
    // If error occured show the error message
    console.log(err.Message);
}


Output:

MongoDb database:

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