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PyMongo: How to create/drop databases

Updated: Feb 08, 2024
Introduction PyMongo is a Python distribution containing tools for working with MongoDB, and is the recommended way to work with MongoDB from Python. This guide will demonstrate how to create and drop databases for both beginners and......

PyMongo: How to create/drop indexes

Updated: Feb 08, 2024
Introduction PyMongo is a popular Python distribution containing tools for working with MongoDB, and one of the key features when optimizing your MongoDB database is the management of indexes. Indexes support the efficient execution of......

PyMongo: Convert query results to a list of dictionaries

Updated: Feb 08, 2024
Overview Working with MongoDB and Python is made seamless and efficient through PyMongo, a Python driver for MongoDB. A common requirement when fetching data from a MongoDB collection is converting query results into a more manageable......

PyMongo: Find documents with null/empty fields

Updated: Feb 08, 2024
Introduction Finding documents in MongoDB that contain null or empty fields is a common operation when dealing with large datasets. These datasets may have missing information for various reasons. Identifying and handling these......

PyMongo error: Collection object is not callable

Updated: Feb 08, 2024
Understanding the Error When working with PyMongo, MongoDB’s Python Driver, it’s not uncommon to encounter error messages that may seem perplexing at first. One such error is Collection object is not callable. This......

PyMongo Upsert Examples: Update if exists, else insert

Updated: Feb 08, 2024
Overview In this tutorial, we dive into the world of MongoDB operations using PyMongo, a Python distribution containing tools for working with MongoDB. One powerful feature offered by MongoDB is the upsert operation. In essence, an......

PyMongo error: Upsert must be an instance of dict, not str

Updated: Feb 08, 2024
Overview The ‘PyMongo error: Upsert must be an instance of dict, not str’ is a common issue faced by developers when using the PyMongo library. This error typically arises when attempting to update or insert data into a......

PyMongo error – Upsert failed: E11000 duplicate key error collection

Updated: Feb 08, 2024
The Problem While working with MongoDB through PyMongo, encountering an E11000 duplicate key error during an upsert operation is a common issue that perplexes many developers. This error arises when an operation attempts to insert or......

PyMongo: Why you need to close a connection?

Updated: Feb 08, 2024
In the world of software development, managing database connections efficiently is essential for the performance and stability of applications. When using MongoDB with Python, the PyMongo library is a popular choice for interacting with......

PyMongo CursorNotFound error: Cursor not found/valid at server

Updated: Feb 08, 2024
The Problem The CursorNotFound error in PyMongo represents situations where a cursor, an essential part of MongoDB’s functionality for traversing through query results, becomes invalid or is no longer available on the server. This can......

PyMongo: How to convert ObjectId to string and vice versa

Updated: Feb 08, 2024
Overview Working with MongoDB in Python necessitates a robust understanding of how to manipulate and convert data types to ensure seamless data interchange and manipulation. A quintessential embodiment of this need is represented......

PyMongo: How to find documents by a list of values

Updated: Feb 08, 2024
Introduction Working with MongoDB in Python through PyMongo offers a variety of methods to query documents. One common requirement is to find documents where a certain field matches any value within a provided list. This capability is......