Interior decoration company Blue Sapphire stores employee details in the employee information system. The date of birth of each employee is stored along with other details, including the employee's name. The relationship between the employee's name and the employee's date of birth is .

One to one relationship

Explanation:

This is an example of a one to one relationship (or 1:1 relationship). In this type of relationship, one record in a table or database is associated with one other record in another table. In this case, one value is the date of birth of the employees. Each day of birth is associated with only one employee name. The relevant attributed of these two related entities (name and date of birth) can be merged into a single table.