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Get the Names of all Collections using PyMongo

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  • Difficulty Level : Basic
  • Last Updated : 04 Jul, 2022
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PyMongo is the module used for establishing a connection to the MongoDB using Python and perform all the operations like insertion, deletion, updating, etc. PyMongo is the recommended way to work with MongoDB and Python. 

Note: For detailed information about Python and MongoDB visit MongoDB and Python. Let’s begin with the Get Names of all Collections using PyMongo

Importing PyMongo Module: Import the PyMongo module using the command:

from pymongo import MongoClient

If MongoDB is already not installed on your machine you can refer to the guide: Guide to Install MongoDB with Python

Creating a Connection: Now we had already imported the module, its time to establish a connection to the MongoDB server, presumably which is running on localhost (host name) at port 27017 (port number).

client = MongoClient(‘localhost’, 27017)

Accessing the Database: Since the connection to the MongoDB server is established. We can now create or use the existing database.

mydatabase = client.name_of_the_database

In our case the name of the database is GeeksForGeeks

mydatabase = client.GeeksForGeeks

List the name of all the Collections in the Database: To list the name of all the collection in the database.


The collection_names() is deprecated in the version 3.7.0. Instead use


This method return the list of the collection names in the Database.

Example: Sample Database:



# Python Program to demonstrate
# List name of all collections using PyMongo
# Importing required libraries
from pymongo import MongoClient
# Connecting to MongoDB server
# client = MongoClient('host_name', 'port_number')
client = MongoClient(‘localhost’, 27017)
# Connecting to the database named
# GeeksForGeeks
mydatabase = client.GeeksForGeeks
# Getting the names of all the collections
# in GeeksForGeeks Database.
collections = mydatabase.list_collection_names()
# Printing the name of the collections to the console.


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