Django Book 翻译
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原文:
This is a list of lists of fields that must be unique when considered together. Its used in the Django admin interface and is enforced at the database level (i.e., the appropriate ``UNIQUE`` statements are included in the ``CREATE TABLE`` statement).
翻译:
这是一个由一些字段列表组成的列表,每个列表里的字段的组合值必须是唯一的。它用于Django管理界面,而且在数据库层是强制要求的(就是说在 ``CREATE TABLE`` 语句中会包含一些 ``UNIQUE`` 语句)。
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