How to create a database in Mongo using Python?

Question

I have written the below Python program to create a MongoDB.

import pymongo

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

mydb = myclient['mydatabase']

dblist = myclient.list_database_names()

if "mydatabase" in dblist:
  print("The database exists.")
else :
  print("The database does not exists.")

But while I execute the program , I get the result as

The database does not exists.

Why so? Is there something that I am missing ?

I am following the code mentioned in W3Schools Tutorial

I know it's stupid but... do you have mongodb running on localhost at port 27017? — rivamarco
– rivamarco, Commented Nov 19, 2019 at 16:31
yes ofcourse... i am following the guidance in the tutorial because I am new to Mongo, Python ..... and in 1 window - Mongo is running while in the other i am executing the python script (: — priyanka.sarkar
– priyanka.sarkar, Commented Nov 19, 2019 at 16:34

Sergio Tulentsev · Accepted Answer · 2019-11-19 16:31:37Z

1

Databases are lazily created. Insert something into a collection in that database and they (database/collection) will spring into existence.

answered Nov 19, 2019 at 16:31

Sergio Tulentsev

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HelloWorld · Accepted Answer · 2019-11-19 16:31:44Z

1

In MongoDB the database is not actually created until you put some data into it, try put a document inside and check again.

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

answered Nov 19, 2019 at 16:31

HelloWorld

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