One-to-one (data model)
id:
one-to-one-data-model-308-7111666
title:
One-to-one (data model)
text:
In systems analysis, a one-to-one relationship is a type of cardinality that refers to the relationship between two entities A and B in which one element of A may only be linked to one element of B, and vice versa. In mathematical terms, there exists a bijective function from A to B.
For instance, think of A as the set of all human beings, and B as the set of all their brains. Any person from A can and must have only one brain from B, and any human brain in B can and must belong to only one pers
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/One-to-one_(data_model)
date created:
date modified:
2024-03-31T17:16:07Z
main entity:
{"identifier":"Q3424039","url":"https://www.wikidata.org/entity/Q3424039"}
image:
fields total:
13
integrity:
13