The first step of nodejs with MongoDB tutorial is to set up the database server Go to the link and download the community edition https://www.mongodb.com/download-center/community
While installing choose mongoDB
Run service as Network User and then, compass Community
To generate connection string, you need to create an account on https://cloud.mongodb.com/. Once, registered it will pick IP address, you have to give a username and password and it will generate connection string, similar to
Connect to compass GUI with connection string obtained as this connection string will also be used in node.js application
then we need to create a folder, in that folder type npm init to initialize the repository as node.js application. you should see package.json file in the directory.
Create app.js file and type the following code
var msg=’Hello world!’;
Now, to run the application type node app.js
Now, you have successfully set up your node application. Now to connect to mongodb you need to install mongodb node.js driver that is mongoclient
On terminal, type
npm install mongodb --save
Next step in mongodb with node.js tutorial is to create a database in mongodb, then create a collection under which we will Insert, Update, Delete records. Also, we will see how to first insert a data using the compass itself.
Here we have created engineerdiariesdb as database and users as collections
Insert 1 document into the collection
Under Add data insert document, add Json Object
Replace your connection string, run using node app.js and if output on console is connected then you have successfully established connection with database MongoDB with nodejs.
This will update record of name=priyanka, and set age to 22
This will delete the record where name=priyanka
So, this was short and complete tutorial on mongodb with node.js crud operations.
Mongodb is nosql based database and based on document structure providing more flexibility than sqlserver
Yes the query part remain exact same.
Yes. You can find that post in similar post below
Upload the file on server and store its link in the database