FC0-U71 Data and Database Fundamentals Practice Question
In a relational database, which type of relationship is typically implemented by creating a third table (junction table) that contains foreign keys from both related tables?
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
✓
Many-to-many
Many-to-many relationships require a junction table to associate records from both sides.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Many-to-many
Why this is correct
Many-to-many requires an associative table with foreign keys to both tables.
- ✗
Self-referencing
Why it's wrong here
Self-referencing uses a foreign key to the same table.
- ✗
One-to-one
Why it's wrong here
One-to-one can be implemented with a single foreign key.
- ✗
One-to-many
Why it's wrong here
One-to-many uses a foreign key in the 'many' table.
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