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docs/zh/docs/tutorial/sql-databases.md
您将能够返回一个数据库模型,它将从中读取数据。 #### ORM 模式的技术细节 SQLAlchemy 和许多其他默认情况下是“延迟加载”。 这意味着,例如,除非您尝试访问包含该数据的属性,否则它们不会从数据库中获取关系数据。 例如,访问属性`items`: ```Python current_user.items ``` 将使 SQLAlchemy 转到`items`表并获取该用户的项目,在调用`.items`之前不会去查询数据库。 没有`orm_mode`,如果您从*路径操作*返回一个 SQLAlchemy 模型,它不会包含关系数据。 即使您在 Pydantic 模型中声明了这些关系,也没有用处。
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docs/em/docs/tutorial/sql-databases.md
👆 🔜 💪 📨 💽 🏷 & ⚫️ 🔜 ✍ 💽 ⚪️➡️ ⚫️. #### 📡 ℹ 🔃 🐜 📳 🇸🇲 & 📚 🎏 🔢 "🙃 🚚". 👈 ⛓, 🖼, 👈 👫 🚫 ☕ 💽 💛 ⚪️➡️ 💽 🚥 👆 🔄 🔐 🔢 👈 🔜 🔌 👈 💽. 🖼, 🔐 🔢 `items`: ```Python current_user.items ``` 🔜 ⚒ 🇸🇲 🚶 `items` 🏓 & 🤚 🏬 👉 👩💻, ✋️ 🚫 ⏭. 🍵 `orm_mode`, 🚥 👆 📨 🇸🇲 🏷 ⚪️➡️ 👆 *➡ 🛠️*, ⚫️ 🚫🔜 🔌 💛 💽. 🚥 👆 📣 📚 💛 👆 Pydantic 🏷.
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docs/en/docs/tutorial/sql-databases.md
# SQL (Relational) Databases !!! info These docs are about to be updated. 🎉 The current version assumes Pydantic v1, and SQLAlchemy versions less than 2.0. The new docs will include Pydantic v2 and will use <a href="https://sqlmodel.tiangolo.com/" class="external-link" target="_blank">SQLModel</a> (which is also based on SQLAlchemy) once it is updated to use Pydantic v2 as well. **FastAPI** doesn't require you to use a SQL (relational) database.
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