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Drop Collection MongoDB pymongo | Guide

In MongoDB, a “collection” can be described as a container for storing and organizing related documents.

MongoDB is a NoSQL database that stores data in flexible, JSON-like BSON format.

Hence, we have to use the pymongo library to manage data in a MongoDB database if we are working with Python.

Furthermore, the drop_collection method is a part of pymongo. It helps delete or remove a collection from a MongoDB database.

How to drop a MongoDB Collection in Python

1. To begin with, create a MongoDB Client for the MongoDB instance.
2. Then, choose the database using the client object. Remember to make sure that the collection we are going to delete is present in this database.
3. Next, choose the collection using the database object.
4. After that, use the drop() function on the collection object. This will delete the collection from the database.

For example:

Here we want to delete a MongoDB collection named “Bobcats”.


import pymongo
myclient = pymongo.MongoClient("mongodb://localhost:27017/")
# Use database named "organisation"
mydb = myclient["organisation"]
print("List of collections before deletion\n--------------------------")
for x in mydb.list_collection_names():
print(x)
# Get collection named "Bobcats"
mycol = mydb["Bobcats"]
# Delete or drop collection
mycol.drop()
print("\nList of collections after deletion\n--------------------------")
for x in mydb.list_collection_names():
print(x)
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As you can see in the image below, the Bobcats collection is deleted. This is verified by the list of collections displayed after the deletion takes place.

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Conclusion

In brief, our Support Experts demonstrated how to drop Collection MongoDB pymongo.