В этом разделе мы продемонстрируем, как работать с <a href="https://sqlmodel.tiangolo.com/" class="external-link" target="_blank">SQLModel</a>.

Библиотека **SQLModel** построена на основе <a href="https://www.sqlalchemy.org/" class="external-link" target="_blank">SQLAlchemy</a> и Pydantic. Она была разработана автором **FastAPI** специально для приложений на основе FastAPI, которые используют **реляционные базы данных**.

* <a href="https://hub.docker.com/_/postgres" class="external-link" target="_blank">PostgreSQL</a>
* <a href="https://hub.docker.com/_/mysql" class="external-link" target="_blank">MySQL</a>
* <a href="https://hub.docker.com/_/mongo" class="external-link" target="_blank">MongoDB</a>
* <a href="https://hub.docker.com/_/redis" class="external-link" target="_blank">Redis</a>, usw.

🖼, 🚥 👆 ✊ 🎭, 👆 💪 ❎ &amp; ⚙️ <a href="https://github.com/ijl/orjson" class="external-link" target="_blank">`orjson`</a> &amp; ⚒ 📨 `ORJSONResponse`.

🗄 `Response` 🎓 (🎧-🎓) 👆 💚 ⚙️ &amp; 📣 ⚫️ *➡ 🛠️ 👨‍🎨*.

⭕ 📨, 📨 `Response` 🔗 🌅 ⏩ 🌘 🛬 📖.

👉 ↩️ 🔢, FastAPI 🔜 ✔ 🔠 🏬 🔘 &amp; ⚒ 💭 ⚫️ 🎻 ⏮️ 🎻, ⚙️ 🎏 [🎻 🔗 🔢](../tutorial/encoder.md){.internal-link target=_blank} 🔬 🔰. 👉 ⚫️❔ ✔ 👆 📨 **❌ 🎚**, 🖼 💽 🏷.

proprietary headers se pueden añadir <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">usando el prefijo 'X-'</a>.

Pero si tienes custom headers que deseas que un cliente en un navegador pueda ver, necesitas añadirlos a tus configuraciones de CORS ([CORS (Cross-Origin Resource Sharing)](cors.md){.internal-link target=_blank}) usando el parámetro `expose_headers` documentado en <a href="https://www.starlette.io/middleware/#corsmiddleware"...

* 👆 💪 🤚 🗃 ⚪️➡️ 📂 📁.
* ⚫️ ✔️ <a href="https://docs.python.org/3/glossary.html#term-file-like-object" class="external-link" target="_blank">📁-💖</a> `async` 🔢.
* ⚫️ 🎦 ☑ 🐍 <a href="https://docs.python.org/3/library/tempfile.html#tempfile.SpooledTemporaryFile" class="external-link" target="_blank">`SpooledTemporaryFile`</a> 🎚 👈 👆 💪 🚶‍♀️ 🔗 🎏 🗃 👈 ⌛ 📁-💖 🎚.

### `UploadFile`

`UploadFile` ✔️ 📄 🔢:

Oluşturulan şema <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md" class="external-link" target="_blank">OpenAPI</a> standardına uygun olduğu için birçok uyumlu araç mevcuttur.

Bu sayede, **FastAPI**'ın bizzat kendisi <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a> sayfasından erişebileceğiniz alternatif (ReDoc kullanan) bir API dokümantasyonu sağlar:

З цієї причини FastAPI також надає альтернативну документацію API (використовуючи ReDoc), до якої можна отримати доступ за посиланням <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>:

<img src="/img/tutorial/path-params/image02.png">

Open your browser at <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000</a>.

You will see the JSON response as:

```JSON
{"message": "Hello World"}
```

### Interactive API docs { #interactive-api-docs }

Now go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

## Nhà cung cấp dịch vụ Cloud - Nhà tài trợ
Một vài nhà cung cấp dịch vụ cloud ✨ [**tài trợ cho FastAPI**](../help-fastapi.md#sponsor-the-author){.internal-link target=_blank} ✨, điều này giúp đảm bảo sự phát triển liên tục và khỏe mạnh của FastAPI và hệ sinh thái của nó.

    #   [true]
    #     The customize entities for procedure's out-parameter
    #     and not-param-result are auto-generated.
    #     And also not-param-result's properties are auto-generated.
    #     Target procedures are executed actually at Sql2Entity task.
    #     (because of getting from execution meta data (result set meta data))
    #     This property is valid only when isGenerateProcedureParameterBean is true.
    #