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

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

Location: ORM > v7 > Core Concepts > Overview

## Database versions [#database-versions]

### Self-hosted [#self-hosted]

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

### Managed/Serverless [#managedserverless]

| 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 [#feature-matrix]

### Constraints [#constraints]

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

\*SQL Server has [limitations with UNIQUE constraints](https://www.prisma.io/docs/orm/v7/core-concepts/supported-databases/sql-server#common-considerations)

### Data types [#data-types]

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

## Database guides [#database-guides]

* [PostgreSQL](https://www.prisma.io/docs/orm/v7/core-concepts/supported-databases/postgresql) — Self-hosted, Neon, Supabase, and CockroachDB
* [MySQL/MariaDB](https://www.prisma.io/docs/orm/v7/core-concepts/supported-databases/mysql) — Self-hosted and PlanetScale
* [SQLite](https://www.prisma.io/docs/orm/v7/core-concepts/supported-databases/sqlite) — Local, Turso, and Cloudflare D1
* [SQL Server](https://www.prisma.io/docs/orm/v7/core-concepts/supported-databases/sql-server)
* [MongoDB](https://www.prisma.io/docs/orm/v7/core-concepts/supported-databases/mongodb)

### Driver adapters [#driver-adapters]

For custom database drivers, see [Driver adapters](https://www.prisma.io/docs/orm/v7/core-concepts/supported-databases/database-drivers).

## Related pages

- [`API patterns`](https://www.prisma.io/docs/orm/v7/core-concepts/api-patterns): How to use Prisma ORM with REST APIs, GraphQL servers, and fullstack frameworks
- [`Data modeling`](https://www.prisma.io/docs/orm/v7/core-concepts/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