FC0-U71 Data and Database Fundamentals Practice Question
A sales database has a Customers table with CustomerID as the primary key and an Orders table that includes CustomerID. Which type of relationship is typically established between Customers and Orders?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
One-to-many
A customer can have multiple orders, but each order belongs to one customer, so it's a one-to-many relationship.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
One-to-one
Why it's wrong here
One-to-one would mean each customer has exactly one order, which is not typical.
- ✗
Many-to-many
Why it's wrong here
Many-to-many would require a junction table, not the case here.
- ✗
Unrelated
Why it's wrong here
They are related via CustomerID.
- ✓
One-to-many
Why this is correct
Correct; one customer can have many orders.
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