Python MongoDB - distinct()

distinct() method in MongoDB is used to retrieve all unique values for a specified field from a collection. In Python, you can use this method with PyMongo to filter out duplicates and get a list of distinct values across documents. This is helpful when you want to find all unique fields without repeating values.

Syntax

collection.distinct(key, filter=None)

Parameters :

• key (string): field name for which you want to find distinct values.
• filter (optional, dict): a query to filter which documents to consider when finding distinct values.

Let's create a sample collection:

Output

Example:

In this Example, distinct() method is used to return unique values of different fields from the collection.

Output

Related Article:

• MongoDB Query
• MongoDB Introduction
• Connection of MongoDB and Python
• insert_many() methods