```

=== "Python 3.8+"

    ```Python hl_lines="15-20"
    {!> ../../../docs_src/sql_databases/sql_app/main.py!}
    ```

!!! info
    我们将`SessionLocal()`请求的创建和处理放在一个`try`块中。

    然后我们在finally块中关闭它。

    通过这种方式，我们确保数据库会话在请求后始终关闭。即使在处理请求时出现异常。

    ```

=== "🐍 3️⃣.9️⃣ & 🔛"

    ```Python hl_lines="13-18"
    {!> ../../../docs_src/sql_databases/sql_app_py39/main.py!}
    ```

!!! info
    👥 🚮 🏗 `SessionLocal()` & 🚚 📨 `try` 🍫.

     & ⤴️ 👥 🔐 ⚫️ `finally` 🍫.

    👉 🌌 👥 ⚒ 💭 💽 🎉 🕧 📪 ⏮️ 📨. 🚥 📤 ⚠ ⏪ 🏭 📨.

It could have a value like `"Arquilian"`.

And the ORM will do all the work to get the information from the corresponding table *owners* when you try to access it from your pet object.

Common ORMs are for example: Django-ORM (part of the Django framework), SQLAlchemy ORM (part of SQLAlchemy, independent of framework) and Peewee (independent of framework), among others.