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How to Insert Record of MongoDB in Node.js?

  • The insert One method is used to insert record in MongoDB's collection.
  • The first argument of the insert One method is an object which contains the name and value of each field in the record you want to insert.
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Insert Single record

  • To insert a record into a table in MongoDB, we use the insertOne() method.
  • The first parameter of the insertOne() method is an object containing the name(s) and value(s) of each field in the record you want to insert.
  • It also takes a callback function where you can work with any errors, or the result of the insertion
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Example

  • Insert a record in "employees" collection.
  • Create a js file named "insert.js", having the following code:

  • insert.js:

    var MongoClient = require('mongodb').MongoClient;  
    var url = "mongodb://localhost:27017/ MongoDatabase";  
    MongoClient.connect(url, function(err, db) {  
    if (err) throw err;  
    var myobj = { name: "Ajeet Kumar", age: "28", address: "Delhi" };  
    db.collection("employees").insertOne(myobj, function(err, res) {  
    if (err) throw err;  
    console.log("1 record inserted");  
    db.close();  
    });  
    });  
    

    Open the command terminal and run the following command: Node insert.js

    Output:

     procedure of insert record in node.js

    Learn Node js - node js Tutorial - Now a record is inserted in the collection. - node - Node js Examples

    Insert Multiple Records

    • To insert multiple records into a table in MongoDB, we use the insertMany() method. The first parameter of the insertMany() method is an array of objects, containing the data you want to insert. It also takes a callback function where you can work with any errors, or the result of the insertion:
      • You can insert multiple records in a collection by using insert() method. The insert() method uses array of objects which contain the data you want to insert.
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    Example

    • Insert multiple records in the collection named "employees".
    • Create a js file name insertall.js, having the following code:

    insertall.js

    var MongoClient = require('mongodb').MongoClient;  
    var url = "mongodb://localhost:27017/ MongoDatabase";  
    MongoClient.connect(url, function(err, db) {  
    if (err) throw err;  
    var myobj = [     
    { name: "Mahesh Sharma", age: "25", address: "Ghaziabad"},  
    { name: "Tom Moody", age: "31", address: "CA"},  
    { name: "Zahira Wasim", age: "19", address: "Islamabad"},  
    { name: "Juck Ross", age: "45", address: "London"}  
    ];  
    db.collection("customers").insert(myobj, function(err, res) {  
    if (err) throw err;  
    console.log("Number of records inserted: " + res.insertedCount);  
    db.close();  
    });  
    });  
    

    Open the command terminal and run the following command: Node insertall.js

    Output:

     procedure of multiple record insertion in node.js

    Learn Node js - node js Tutorial - procedure of multiple record insertion in node.js - node - Node js Examples

    You can see here 4 records are inserted.


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