In the relationships window, what does the appearance of symbols, such as 1 and the infinity symbol, at the endpoints of a relationship line mean?

Question

Admin · Accepted Answer

Referential integrity is enforced

Admin · Answer

Referential integrity isn't enforced

Admin · Answer

An inner join is set

Admin · Answer

An outer join is set

Q. In the relationships window, what does the appearance of symbols, such as 1 and the infinity symbol, at the endpoints of a relationship line mean?