# Data Connect: All About Schemas

DevFeed: [Data Connect: All About Schemas](<https://devfeed.tech/articles/data-connect-all-about-schemas-16578.md>)

Original publisher: [Read original article](<https://firebase.blog/posts/2025/02/dataconnect-schemas>)

Author: Andrea Wu

Published: 2025-02-11T00:00:00Z

Content type: tutorial

Language: en

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

Topics: [Firebase](<https://devfeed.tech/topics/firebase.md>), [Structured-data](<https://devfeed.tech/topics/structured-data.md>), [GraphQL](<https://devfeed.tech/topics/graphql.md>)

Tags: [documentation](<https://devfeed.tech/tags/documentation.md>), [firebase](<https://devfeed.tech/tags/firebase.md>), [graphql](<https://devfeed.tech/tags/graphql.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [postgresql](<https://devfeed.tech/tags/postgresql.md>), [schema](<https://devfeed.tech/tags/schema.md>), [sql-connect](<https://devfeed.tech/tags/sql-connect.md>), [tutorials](<https://devfeed.tech/tags/tutorials.md>)

## AI overview

This tutorial explains how to model app data with Firebase Data Connect schemas defined using GraphQL. It covers schema declarations, table names, naming conventions, keys, columns, required attributes, and supported data types.

## Source excerpt

News, tutorials, and updates from the Firebase team.