# Using Dot Notation to Query Nested Fields in MongoDB

DevFeed: [Using Dot Notation to Query Nested Fields in MongoDB](<https://devfeed.tech/articles/using-dot-notation-to-query-nested-fields-in-mongodb-21840.md>)

Original publisher: [Read original article](<https://www.thepolyglotdeveloper.com/blog/2026/04/using-dot-notation-to-query-nested-fields-in-mongodb/>)

Author: Nic Raboy

Published: 2026-04-28T20:29:24Z

Content type: tutorial

Language: en

Sources: [Nic Raboy](<https://devfeed.tech/sources/nic-raboy.md>)

Topics: [MongoDB](<https://devfeed.tech/topics/mongodb.md>), [Tutorial](<https://devfeed.tech/topics/tutorial.md>), [Query (disambiguation)](<https://devfeed.tech/topics/query.md>), [Database](<https://devfeed.tech/topics/database.md>)

Tags: [arrays](<https://devfeed.tech/tags/arrays.md>), [collection](<https://devfeed.tech/tags/collection.md>), [database](<https://devfeed.tech/tags/database.md>), [filter](<https://devfeed.tech/tags/filter.md>), [mongodb](<https://devfeed.tech/tags/mongodb.md>), [object](<https://devfeed.tech/tags/object.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>)

## AI overview

This tutorial explains how to use MongoDB dot notation to query and filter nested fields in documents, including fields within nested objects and arrays.

## Source excerpt

If you're just starting to dabble with MongoDB, you've probably come to a point where your documents are looking a little complex. These documents might have gone from flat, relational-looking pieces ... The post Using Dot Notation to Query Nested Fields in MongoDB appeared first on DataCamp.