Django Book 翻译
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原文:
Finally, note we havent explicitly defined a primary key in any of these models. Unless you instruct it otherwise, Django automatically gives every model an integer primary key field called ``id`` . Each Django model is required to have a single-column primary key.
翻译:
最后需要注意的是:我们并没有显式地为这些模型定义任何主键。除非你指定,否则 Django 会自动为每个模型创建一个叫做 ``id`` 的主键。每个 Django 模型必须要有一个单列主键。
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