Question

question 15
which of the following relationships describes one row of data in table a being associated with only one row of data in table b?
a many - to - many
b one - to - one
c one - to - many
d none of the above

Explanation:

• In a one - to - one relationship, each record (row) in one table is associated with exactly one record (row) in another table.
• In a many - to - many relationship, multiple rows in one table are associated with multiple rows in another table.
• In a one - to - many relationship, one row in a table is associated with multiple rows in another table.

Answer:

B. one - to - one