All geek questions in one place

1-n ratio

I do not get a 1-n relationship.

I have read several articles, but still cannot figure it out.

I get 1-many, 1: 1 and many-to-many.

But what does 1-n mean?

+3
source share
5 answers

1-n is the same as 1-lot

+8
source

1-n is the same as 1-lot. n is another way of representing the unknown "many."

+2
source

n , 1: many

+2

1

+2

"-" "-". undefined ( , 1 - , ) .

0

Source: https://habr.com/ru/post/1725650/

More articles:


All Articles