Учебные материалы по MongoDB

This guide teaches you how to enforce clean and consistent data in MongoDB using schema validation, balancing flexibility with structure.

Discover how to create a MongoDB database from the shell or with a script, plus common pitfalls to avoid.

Learn how collections are created in MongoDB, when to define them explicitly, and key configuration options.

Explore MongoDB aggregation pipelines using PyMongo. Understand data flow, stages like $match, $project, $group, $lookup, and advanced patterns.

This guide explains how to use the MongoDB find() method to query, filter, sort, and paginate data with real-world examples. Perfect for beginners and those transitioning from SQL.

Learn how to use and optimize the performance of the updateMany() operator in MongoDB to update multiple documents in a single operation.