# Overview (Prisma ORM v7) (/docs/orm/v7/core-concepts/supported-databases)

Prisma ORM supports PostgreSQL, MySQL, SQLite, MongoDB, SQL Server, CockroachDB, and serverless databases

Location: ORM > v7 > Core Concepts > Overview

## Database versions

### Self-hosted

| Database                                                               | Version |
| ---------------------------------------------------------------------- | ------- |
| [PostgreSQL](/guides/core-concepts-v7-supported-databases-postgresql)  | 9.6+    |
| [MySQL](/guides/core-concepts-v7-supported-databases-mysql)            | 5.6+    |
| [MariaDB](/guides/core-concepts-v7-supported-databases-mysql)          | 10.0+   |
| [SQL Server](/guides/core-concepts-v7-supported-databases-sql-server)  | 2017+   |
| [SQLite](/guides/core-concepts-v7-supported-databases-sqlite)          | All     |
| [MongoDB](/guides/core-concepts-v7-supported-databases-mongodb)        | 4.2+    |
| [CockroachDB](/guides/core-concepts-v7-supported-databases-postgresql) | 21.2.4+ |

### Managed/Serverless

| Database                | Notes               |
| ----------------------- | ------------------- |
| Neon                    | Serverless Postgres |
| Supabase                | Postgres            |
| PlanetScale             | MySQL               |
| Turso                   | libSQL (SQLite)     |
| Cloudflare D1 (Preview) | SQLite              |
| AWS Aurora              | MySQL/Postgres      |
| MongoDB Atlas           | MongoDB             |

## Feature matrix

### Constraints

| Feature     | PostgreSQL | MySQL | SQLite | SQL Server | MongoDB |
| ----------- | :--------: | :---: | :----: | :--------: | :-----: |
| PRIMARY KEY |     ✔️     |   ✔️  |   ✔️   |     ✔️     |    ✔️   |
| FOREIGN KEY |     ✔️     |   ✔️  |   ✔️   |     ✔️     |    —    |
| UNIQUE      |     ✔️     |   ✔️  |   ✔️   |    ✔️\*    |    ✔️   |
| NOT NULL    |     ✔️     |   ✔️  |   ✔️   |     ✔️     |    ✔️   |
| DEFAULT     |     ✔️     |   ✔️  |   ✔️   |     ✔️     |    ✔️   |

\*SQL Server has [limitations with UNIQUE constraints](/guides/core-concepts-v7-supported-databases-sql-server#common-considerations)

### Data types

| Feature | PostgreSQL | MySQL | SQLite | SQL Server | MongoDB |
| ------- | :--------: | :---: | :----: | :--------: | :-----: |
| Arrays  |     ✔️     |   —   |    —   |      —     |    ✔️   |
| JSON    |     ✔️     |   ✔️  |   ✔️   |     ✔️     |    ✔️   |
| Enums   |     ✔️     |   ✔️  |   ✔️   |      —     |    ✔️   |

## Database guides

- [PostgreSQL](/guides/core-concepts-v7-supported-databases-postgresql) — Self-hosted, Neon, Supabase, and CockroachDB
- [MySQL/MariaDB](/guides/core-concepts-v7-supported-databases-mysql) — Self-hosted and PlanetScale
- [SQLite](/guides/core-concepts-v7-supported-databases-sqlite) — Local, Turso, and Cloudflare D1
- [SQL Server](/guides/core-concepts-v7-supported-databases-sql-server)
- [MongoDB](/guides/core-concepts-v7-supported-databases-mongodb)

### Driver adapters

For custom database drivers, see [Driver adapters](/guides/core-concepts-v7-supported-databases-database-drivers).

## Related pages

- [`API patterns`](/guides/core-concepts-v7-api-patterns): How to use Prisma ORM with REST APIs, GraphQL servers, and fullstack frameworks
- [`Data modeling`](/guides/core-concepts-v7-data-modeling): Learn how data modeling with Prisma differs from data modeling with SQL or ORMs. Prisma uses a declarative data modeling language to describe a database schema

## Related pages

- [Authentication & Tools](./authentication-tools-index.md)
- [Build](./build-index.md)
- [Changelog](../changelog.md)
- [Concepts](./concepts-index.md)
- [Console commands](./console-commands-index.md)
- [Contract Authoring](./contract-authoring-index.md)
- [Core Concepts](./core-concepts-index.md)
- [Data Modeling](./data-modeling-index.md)
- [Database](./database-index.md)
- [DB commands](./db-commands-index.md)

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