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CSS Computer Science QUESTION #1151
Question 1
What is the primary role of a 'Foreign Key' in a relational database?
  • To uniquely identify a row
  • To ensure referential integrity✔️
  • To speed up searches
  • To sort data
Correct Answer Explanation
A Foreign Key is a field that links to the Primary Key of another table, ensuring that the relationship between data in the two tables remains consistent.