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Meaning of 'n:m' and '1:n' in database design
2022-07-07 04:34:00 【Zafo】
problem ：
In database design what do n:m and 1:n mean? In database design n:m and 1:n What does that mean? ？
Does it have anything to do with keys or relationships? Is it related to the key or relationship ？
Solution ：
Reference resources ： https://stackoom.com/en/question/EFnx边栏推荐
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