Create MongoDb Database with Python

Question

I try to create database with simple Python code and It does not work.

When I try to create database, I cant see my database name in python and MongoDb.

Also, When I create database in MongoDb I can see my database name in Python. My Python version is 3.6

Can you help me please ?

import pymongo

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

mydb = client["mydatabase"]

print(client.list_database_names())

Actually, I did not get error, I can not see my database name when I try to list database names — Cemalettin Altınsoy
– Cemalettin Altınsoy, Commented Aug 29, 2019 at 17:51
Do you see your other database names, just not "mydatabase"? — DaveStSomeWhere
– DaveStSomeWhere, Commented Aug 29, 2019 at 17:59

DaveStSomeWhere · Accepted Answer · 2019-08-29 18:09:59Z

6

The new database isn't created until you do your first insert.

Try adding an insert like below (also creating a collection) and you should see your new db.

import pymongo

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

mydb = client["mydatabase"]  # you can also use dot notation client.mydatabase
mydb.mycoll.insert_one({"test": 'test'})
print(client.list_database_names())

The database mydatabase is output in the list of database names.

answered Aug 29, 2019 at 18:09

DaveStSomeWhere

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