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How to Create Connection of MongoDB in Node.js?

  • MongoDb is a NoSQL database.
  • It can be used with Node.js as a database to insert and retrieve data.
  • NoSQL database such as MongoDB have become quite popular as databases for storing data.
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  • The ability of these databases to store any sort of content and particularly in any sort of format is what makes these databases so famous.
  • Node.js has the ability to work with 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 using MongoDB the required module to be installed is "Mongoose."

Download MongoDB

Option 1 : For Windows To download and install MongoDB on windows. Manually download the mongodb install software from https://www.mongodb.com/download-center

  • Extract the archive where you want to
  • Optional: add mongoDB path to your system PATH
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  • Create C:\data\db folder (or /data/db according to your OS)
  • Run mongoDB server via the console: use the mongod command
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  • DO NOT CLOSE THE CONSOLE ONCE MONGODB IS LAUNCHED!
  • We need a driver
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  • we install it with npm!
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Option 2 : For Linux Open the Linux Command Terminal and execute the following command:

apt-get install mongodb

It will download the latest MongoDB according to your system requirement.

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Install MongoDB

  • After the complete download, use the following command to install MongoDB.
  • npm install mongodb --save
  • Use the following command to start MongoDb services:
  • service mongodb start
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  • Now, connection is created for further operations.

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