Linuxteaching
- How does MongoDB integrate with node js?
- How do I run node js in Ubuntu?
- How do I use MongoDB and mysql in node JS?
- How do I create a node JS Collection in MongoDB?
- Why is MongoDB used with node?
- How do I connect to a node js database?
- How do I start node JS?
- How do I run a node script?
- How do I start node on Linux?
- What is node js used for?
- How do mongooses start?
- Is MongoDB free to use?
How does MongoDB integrate with node js?
Before we begin, we need to ensure you've completed a few prerequisite steps.
- Install Node. js. ...
- Install the MongoDB Node. js Driver. ...
- Create a free MongoDB Atlas cluster and load the sample data. ...
- Get your cluster's connection info. ...
- Import MongoClient. ...
- Create our main function. ...
- List the databases in our cluster. ...
- Save Your File.
How do I run node js in Ubuntu?
NodeJS Installation Steps
- $ sudo apt-get install -y nodejs.
- $ nodejs -v.
- $ sudo npm install npm –global.
- $ npm -v.
- $ mkdir nodejsapp. $ cd nodejsapp. $ nano firstapp. js.
- console. log('First NodeJS Application');
- $ nodejs firstapp. js.
- $ chmod +x firstapp. js.
How do I use MongoDB and mysql in node JS?
js has the ability to work with both MySQL and MongoDB as databases. In order to use either of these databases, you need to download and use the required modules using the Node package manager. For MySQL, the required module is called "mysql" and for using MongoDB the required module to be installed is "Mongoose."
How do I create a node JS Collection in MongoDB?
Node. js MongoDB Create Collection
- var MongoClient = require('mongodb'). MongoClient;
- MongoClient. connect(url, function(err, db)
- if (err) throw err;
- db. createCollection("employees", function(err, res)
- if (err) throw err;
- console. log("Collection is created!");
- db. close();
- );
Why is MongoDB used with node?
MongoDB represents the data as a collection of documents rather than tables related by foreign keys. This makes it possible for the varied types of data dealt over the internet to be stored decently and accessed in the web applications using Node. js.
How do I connect to a node js database?
To download and install the "mysql" module, open the Command Terminal and execute the following:
- C:\Users\Your Name>npm install mysql.
- var mysql = require('mysql');
- Run "demo_db_connection.js" C:\Users\Your Name>node demo_db_connection.js.
- Connected!
- con. connect(function(err) if (err) throw err; console.
How do I start node JS?
Run the test. js file using Node command > node test. js in command prompt. You are done with installation.
...
Installation of NodeJS and NPM
- Download the installer from NodeJS WebSite.
- Run the installer.
- Follow the installer steps, agree the license agreement and click the next button.
- Restart your system/machine.
How do I run a node script?
The usual way to run a Node. js program is to run the node globally available command (once you install Node. js) and pass the name of the file you want to execute. While running the command, make sure you are in the same directory which contains the app.
How do I start node on Linux?
In this case you need to install the http-server zero-configuration, command-line server to serve your files. To use http-server , install it with the command npm install http-server -g . Visit http://localhost:8081 to verify that the server is running and serves our file with the "Hello World" message. This Node.
What is node js used for?
Node. js is primarily used for non-blocking, event-driven servers, due to its single-threaded nature. It's used for traditional web sites and back-end API services, but was designed with real-time, push-based architectures in mind.
How do mongooses start?
Mongoose requires a connection to a MongoDB database. You can require() and connect to a locally hosted database with mongoose. connect() , as shown below. //Import the mongoose module var mongoose = require('mongoose'); //Set up default mongoose connection var mongoDB = 'mongodb://127.0.0.1/my_database'; mongoose.
Is MongoDB free to use?
MongoDB offers a Community version of its powerful distributed document database. With this free and open database, download the MongoDB server to secure and encrypt your data and gain access to an advanced in-memory storage engine.
