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  1. docs/zh/docs/tutorial/sql-databases.md

    * `sql_app/__init__.py`:这是一个空文件。
    
    * `sql_app/database.py`:
    
    ```Python
    {!../../../docs_src/sql_databases/sql_app/database.py!}
    ```
    
    * `sql_app/models.py`:
    
    ```Python
    {!../../../docs_src/sql_databases/sql_app/models.py!}
    ```
    
    * `sql_app/schemas.py`:
    
    === "Python 3.10+"
    
        ```Python
        {!> ../../../docs_src/sql_databases/sql_app_py310/schemas.py!}
        ```
    
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  2. docs/em/docs/advanced/nosql-databases.md

    ## 🗄 🗄 🦲
    
    🔜, 🚫 💸 🙋 🎂, 🕴 🗄:
    
    ```Python hl_lines="3-5"
    {!../../../docs_src/nosql_databases/tutorial001.py!}
    ```
    
    ## 🔬 📉 ⚙️ "📄 🆎"
    
    👥 🔜 ⚙️ ⚫️ ⏪ 🔧 🏑 `type` 👆 📄.
    
    👉 🚫 ✔ 🗄, ✋️ 👍 💡 👈 🔜 ℹ 👆 ⏮️.
    
    ```Python hl_lines="9"
    {!../../../docs_src/nosql_databases/tutorial001.py!}
    ```
    
    ## 🚮 🔢 🤚 `Bucket`
    
    **🗄**, 🥡 ⚒ 📄, 👈 💪 🎏 🆎.
    
    👫 🛎 🌐 🔗 🎏 🈸.
    
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  3. docs/em/docs/tutorial/sql-databases.md

    * `sql_app/__init__.py`: 🛁 📁.
    
    * `sql_app/database.py`:
    
    ```Python
    {!../../../docs_src/sql_databases/sql_app/database.py!}
    ```
    
    * `sql_app/models.py`:
    
    ```Python
    {!../../../docs_src/sql_databases/sql_app/models.py!}
    ```
    
    * `sql_app/schemas.py`:
    
    === "🐍 3️⃣.6️⃣ & 🔛"
    
        ```Python
        {!> ../../../docs_src/sql_databases/sql_app/schemas.py!}
        ```
    
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  4. docs/en/docs/tutorial/sql-databases.md

    Let's refer to the file `sql_app/database.py`.
    
    ### Import the SQLAlchemy parts
    
    ```Python hl_lines="1-3"
    {!../../../docs_src/sql_databases/sql_app/database.py!}
    ```
    
    ### Create a database URL for SQLAlchemy
    
    ```Python hl_lines="5-6"
    {!../../../docs_src/sql_databases/sql_app/database.py!}
    ```
    
    In this example, we are "connecting" to a SQLite database (opening a file with the SQLite database).
    
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  5. docs/ja/docs/advanced/nosql-databases.md

    リレーショナルデータベースの世界でいう"database"(データベースサーバではなく特定のdatabase)と類似しています。
    
    **MongoDB** で例えると"collection"と似た概念です。
    
    次のコードでは主に `Bucket` を利用してCouchbaseを操作します。
    
    この関数では以下の処理を行います:
    
    * **Couchbase** クラスタ(1台の場合もあるでしょう)に接続
        * タイムアウトのデフォルト値を設定
    * クラスタで認証を取得
    * `Bucket` インスタンスを取得
        * タイムアウトのデフォルト値を設定
    * 作成した`Bucket`インスタンスを返却
    
    ```Python hl_lines="12-21"
    {!../../../docs_src/nosql_databases/tutorial001.py!}
    ```
    
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  6. docs/em/docs/advanced/async-sql-databases.md

    * ✍ `DATABASE_URL`.
    * ✍ `database` 🎚.
    
    ```Python hl_lines="3  9  12"
    {!../../../docs_src/async_sql_databases/tutorial001.py!}
    ```
    
    !!! tip
        🚥 👆 🔗 🎏 💽 (✅ ✳), 👆 🔜 💪 🔀 `DATABASE_URL`.
    
    ## ✍ 🏓
    
    👉 💼, 👥 🏗 🏓 🎏 🐍 📁, ✋️ 🏭, 👆 🔜 🎲 💚 ✍ 👫 ⏮️ ⚗, 🛠️ ⏮️ 🛠️, ♒️.
    
    📥, 👉 📄 🔜 🏃 🔗, ▶️️ ⏭ ▶️ 👆 **FastAPI** 🈸.
    
    * ✍ `engine`.
    * ✍ 🌐 🏓 ⚪️➡️ `metadata` 🎚.
    
    ```Python hl_lines="25-28"
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  7. docs/en/docs/how-to/sql-databases-peewee.md

    * `sql_app/__init__.py`: is an empty file.
    
    * `sql_app/database.py`:
    
    ```Python
    {!../../../docs_src/sql_databases_peewee/sql_app/database.py!}
    ```
    
    * `sql_app/models.py`:
    
    ```Python
    {!../../../docs_src/sql_databases_peewee/sql_app/models.py!}
    ```
    
    * `sql_app/schemas.py`:
    
    ```Python
    {!../../../docs_src/sql_databases_peewee/sql_app/schemas.py!}
    ```
    
    * `sql_app/crud.py`:
    
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  8. tests/test_tutorial/test_sql_databases/test_testing_databases.py

        test_db = Path("./test.db")
        if test_db.is_file():  # pragma: nocover
            test_db.unlink()
        # Import while creating the client to create the DB after starting the test session
        from docs_src.sql_databases.sql_app.tests import test_sql_app
    
        # Ensure import side effects are re-executed
        importlib.reload(test_sql_app)
        test_sql_app.test_create_user()
        if test_db.is_file():  # pragma: nocover
    Python
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  9. docs/en/docs/how-to/nosql-databases-couchbase.md

    They are generally all related to the same application.
    
    The analogy in the relational database world would be a "database" (a specific database, not the database server).
    
    The analogy in **MongoDB** would be a "collection".
    
    In the code, a `Bucket` represents the main entrypoint of communication with the database.
    
    This utility function will:
    
    * Connect to a **Couchbase** cluster (that might be a single machine).
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  10. docs/zh/docs/advanced/async-sql-databases.md

    * 创建 `DATABASE_URL`
    * 创建 `database`
    
    ```Python hl_lines="3  9  12"
    {!../../../docs_src/async_sql_databases/tutorial001.py!}
    ```
    
    !!! tip "提示"
    
        连接 PostgreSQL 等数据库时,需要修改 `DATABASE_URL`。
    
    ## 创建表
    
    本例中,使用 Python 文件创建表,但在生产环境中,应使用集成迁移等功能的 Alembic 创建表。
    
    本例在启动 **FastAPI** 应用前,直接执行这些操作。
    
    * 创建 `engine`
    * 使用 `metadata` 对象创建所有表
    
    ```Python hl_lines="25-28"
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