In this tutorial, we will learn to install MongoDB on Ubuntu.

 

MongoDB is an opensource NoSQL database that keeps data as Jason-like structure, unlike SQL database that stores data in table structure.It provides high availability with replica sets.It scales horizontally using sharding.It can be used as a file system, called GridFS.

 

 

Also Read: How to install Anaconda on Linux

&&    15 Important PostgreSQL commands you must know

 

Install MongoDB on Linux(Ubuntu) using Apt Manager

 

Step 1– Update and upgrade your Ubuntu Box

 $ sudo apt update && sudo apt upgrade -y

 

Step 2– Install MongoDB on Ubuntu

$ sudo apt-get install mongodb -y

 

Step 3- Check status of Mongo service.

   $service mongodb status

 

You can also check the process and configuration file path by using following command

   $ps -ef | grep mongodb

 

Use the following command to stop and start or restart the service

  $ service mongodb start

  $service mongodb stop

  $service mongodb restart

 

Step 4- Connect Mongodb

Connect the database by using the following command

  $mongo

 

Check Mongodb Version

  $mongo -version

Some Basic Commands

Following are the basic commands that you must know

1) To show all databases

   > show dbs ;

 

2)  create a database or switch to already created databases

  > use my-db;

  Note: This DB will not show in show dbs; command until we do not insert any data in this. 

 

3) Insert data into the newly created database.

$ db.Any data that represents your collection .insert({“data you want “:”value of the data”})

  > db.names.insert({“username_name”:”chandan”})

 

4) show your collections

 > show collections;

 

5) Delete your collections

db.name of your collection.drop();

 > db.”names”.drop() ;

 

6) Drop the database

Make sure to switch to the database you want to delete and run the following command.

 > db.dropDatabase() ;

 

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