Nodejs MongoDB insert document

MongoDB’s document is like a table’s row in RDBMS. to insert document into the collection through insertOne() or insertMany() method.

Firstly create the insert_document.js file.

var MongoClient = require('mongodb').MongoClient;

let url="mongodb://localhost:27017/";
var options = {
  useNewUrlParser: true,
  useUnifiedTopology: true,  
}
MongoClient.connect(url,options, function (err, connection_obj) {
  try{
     if (err) throw err;
     var dbo = connection_obj.db("users_management");
     var user_obj={name:"John",age:35}
     dbo.collection("users").insertOne(user_obj, function(err, res) {
      if (err) throw err;
       console.log("1 document is added into collection");
       console.log(res.ops);
       console.log(res.insertedCount);
       connection_obj.close();
    });

  }catch(err){

    console.log("connection fails");
  
  }

Now, run the insert_document.js file.

node insert_document.js

Firstly create the insert_documents.js file.

var MongoClient = require('mongodb').MongoClient;

let url="mongodb://localhost:27017/";
var options = {
  useNewUrlParser: true,
  useUnifiedTopology: true,  
}
MongoClient.connect(url,options, function (err, connection_obj) {
  try{
    if (err) throw err;
     var dbo = connection_obj.db("users_management");
     var user_obj=[{name:"Rom",age:31},{name:"Mathew",age:32},{name:"Sachin",age:38}];
     dbo.collection("users").insertMany(user_obj, function(err, res) {
      if (err) throw err;
       console.log("documents are added into collection");
       console.log(res.ops);
       console.log(res.insertedCount);

       connection_obj.close();
    });

  }catch(err){

    console.log("connection fails");
  
  }

Now, run the insert_documents.js file.

node insert_documents.js