Question

how many types of relationship that can be used in base explain each of them​

Answer 1

here is yøur answer

There are three types of relationships: One-to-one: Both tables can have only one record on either side of the relationship. Each primary key value relates to only one (or no) record in the related table.

Answer 2

Answer:

There are three types of relationships: One-to-one: Both tables can have only one record on either side of the relationship. Each primary key value relates to only one (or no) record in the related table.