# Understanding Collection Group Queries in Cloud Firestore

DevFeed: [Understanding Collection Group Queries in Cloud Firestore](<https://devfeed.tech/articles/understanding-collection-group-queries-in-cloud-firestore-16319.md>)

Original publisher: [Read original article](<https://firebase.blog/posts/2019/06/understanding-collection-group-queries>)

Author: Todd Kerpelman

Published: 2019-06-20T00:00:00Z

Content type: tutorial

Language: en

Sources: [Firebase Blog](<https://devfeed.tech/sources/firebase-blog.md>)

Topics: [Firestore](<https://devfeed.tech/topics/firestore.md>), [Firebase](<https://devfeed.tech/topics/firebase.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>), [SDK](<https://devfeed.tech/topics/sdk.md>), [Google](<https://devfeed.tech/topics/google.md>)

Tags: [best-practices](<https://devfeed.tech/tags/best-practices.md>), [code](<https://devfeed.tech/tags/code.md>), [collection-group-queries](<https://devfeed.tech/tags/collection-group-queries.md>), [feature](<https://devfeed.tech/tags/feature.md>), [firebase](<https://devfeed.tech/tags/firebase.md>), [firebase-console](<https://devfeed.tech/tags/firebase-console.md>), [firestore](<https://devfeed.tech/tags/firestore.md>), [google-i-o](<https://devfeed.tech/tags/google-i-o.md>), [tutorials](<https://devfeed.tech/tags/tutorials.md>)

## AI overview

This tutorial explains collection group queries in Cloud Firestore, which let developers query documents across multiple collections with the same name. It also describes enabling the required indexes through the Firebase Console or client SDK workflow.

## Source excerpt

News, tutorials, and updates from the Firebase team.