Setting Up MongoDB
MongoDB is NOSQL database. THe detail of the installation can be founs at official website of MongoDB. Following is th installation steps obtained at 2019-Oct 15.
Downloading and Installing
1. Import the public key used by the package management system.
From a terminal, issue the following command to import the MongoDB public GPG Key from https://www.mongodb.org/static/pgp/server-4.2.asc:
wget -qO - https://www.mongodb.org/static/pgp/server-4.2.asc | sudo apt-key add -
The operation should respond with an OK.
2. Create a list file for MongoDB.
Create the list file /etc/apt/sources.list.d/mongodb-org-4.2.list for your version of Ubuntu.
Click on the appropriate tab for your version of Ubuntu. If you are unsure of what Ubuntu version the host is running, open a terminal or shell on the host and execute lsb_release -dc.
Ubuntu 18.04 (Bionic): The following instruction is for Ubuntu 18.04 (Bionic). For Ubuntu 16.04 (Xenial), click on the appropriate tab. Create the /etc/apt/sources.list.d/mongodb-org-4.2.list file for Ubuntu 18.04 (Bionic):
echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.2.list
3. Reload local package database. Issue the following command to reload the local package database:
sudo apt-get update
4. Install the MongoDB packages. You can install either the latest stable version of MongoDB or a specific version of MongoDB.
Install the latest version of MongoDB. Install a specific release of MongoDB. To install the latest stable version, issue the following
sudo apt-get install -y mongodb-org
Sample application with Python:
- Install the python package
pymongoin the environment
pip install pymongo
- Create Database and Collection
import pymongo client = pymongo.MongoClient("mongodb://localhost:27017/") db = client["test"] collection = db["test_collection"]
- Next, Populate the collection
x = collection.insert_many(DATA)
- Print out one sample data:
x = collection.find_one() print(x)