Tag: python mongodb create collection if not exists

Python MongoDB Create Collection

A collection in MongoDB is the same as a table in SQL databases.

Creating a Collection

To create a collection in MongoDB, use database object and specify the name of the collection you want to create.

MongoDB will create the collection if it does not exist. Continue reading Python MongoDB Create Collection

Python MongoDB Create Database

Creating a Database

To create a database in MongoDB, start by creating a MongoClient object, then specify a connection URL with the correct ip address and the name of the database you want to create.

MongoDB will create the database if it does not exist, and make a connection to it.

Example

Create a database called “mydatabase”:

import pymongo

myclient = pymongo.MongoClient("mongodb://localhost:27017/")

mydb = myclient["mydatabase"]

Important: In MongoDB, a database is not created until it gets content!

MongoDB waits until you have created a collection (table), with at least one document (record) before it actually creates the database (and collection). Continue reading Python MongoDB Create Database