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docs/zh/docs/tutorial/sql-databases.md
{!../../../docs_src/sql_databases/sql_app/database.py!} ``` ### 创建一个`Base`类 现在我们将使用`declarative_base()`返回一个类。 稍后我们将用这个类继承,来创建每个数据库模型或类(ORM 模型): ```Python hl_lines="13" {!../../../docs_src/sql_databases/sql_app/database.py!} ``` ## 创建数据库模型 现在让我们看看文件`sql_app/models.py`。 ### 用`Base`类来创建 SQLAlchemy 模型 我们将使用我们之前创建的`Base`类来创建 SQLAlchemy 模型。 !!! tip
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docs/em/docs/tutorial/sql-databases.md
``` ### ✍ `Base` 🎓 🔜 👥 🔜 ⚙️ 🔢 `declarative_base()` 👈 📨 🎓. ⏪ 👥 🔜 😖 ⚪️➡️ 👉 🎓 ✍ 🔠 💽 🏷 ⚖️ 🎓 (🐜 🏷): ```Python hl_lines="13" {!../../../docs_src/sql_databases/sql_app/database.py!} ``` ## ✍ 💽 🏷 ➡️ 🔜 👀 📁 `sql_app/models.py`. ### ✍ 🇸🇲 🏷 ⚪️➡️ `Base` 🎓 👥 🔜 ⚙️ 👉 `Base` 🎓 👥 ✍ ⏭ ✍ 🇸🇲 🏷. !!! tip
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docs/en/docs/tutorial/sql-databases.md
To create the `SessionLocal` class, use the function `sessionmaker`: ```Python hl_lines="11" {!../../../docs_src/sql_databases/sql_app/database.py!} ``` ### Create a `Base` class Now we will use the function `declarative_base()` that returns a class. Later we will inherit from this class to create each of the database models or classes (the ORM models): ```Python hl_lines="13"
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