为使用户成为多个群体的成员而需要何种关系才能收回:
我猜测是“ToMany”(或一种很简单的“AtoMany”),但可以说明如何使用它;最好是Django的模型需要一个起码的例子。
另外,在需要删除某些集团/用户时,预计会出现哪些一致性问题?
小组成员是你们的表象,有:
因此,根据您的要求:
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