Question

Taylor has added the tables tblcontractor, tblbilling, and tblinvoices to the relationships window. he has created a relationship between the tblbilling and tblcontractor based on the contractorid field. what type of relationship is this?

Answer 1

This type of relationship is "one-to-one relationship".
One-to-one relationship is a term that shows a relationships of two items in which only one item can belong to the other item as taylor show the relationship between the tblbilling and tblcontractor, and you can easily represent this type of relationship in databases and you can easily understand this relationship.