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How to Get Data from MongoDB using Node.js?
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How to drop database of MongoDB using Node.js ?

Last Updated : 08 May, 2023
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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). 

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.

We cannot create database without inserting one and more collection in it

Installing module:

node install mongodb

Project structure:

Running the server on Local IP:

mongod --dbpath=data --bind_ip 127.0.0.1

MongoDB database:

Database: GFG

Index.js:

Javascript




const MongoClient = require("mongodb").MongoClient;
const url = 'mongodb://localhost:27017/';
const databasename = "gfg"; // Database name
MongoClient.connect(url).then((client) => {
 
    // Reference of database
    const connect = client.db(databasename);
 
    // Dropping the database
    connect.dropDatabase();
 
    console.log("Dropping successful");
}).catch((err) => {
    console.log(err.Message);
})
 
 
 
                          
 
 
 
 
Execution command:
 
 
MongoDB database:
 
 

                                                                                      

                                                                                
                                          
                                                                                  
                                                                  
                              
                                
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                                          How to Get Data from MongoDB using Node.js?                                      
                                  
                                                          
                          
                              
                                          
                                              
                                                  
                                                  
                                                      
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