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Which of the following is TRUE about foreign keys?
8. Which of the following is TRUE about foreign keys?
- Tables that contain foreign keys contain columns that point to another table's primary key
- Primary key of one table could be the foreign key for another table
- Both A and B
- None of the above
Answer: C) Both A and B
Explanation:
In case of foreign keys -
- Tables that contain foreign keys contain columns that point to another table's primary key
- Primary key of one table could be the foreign key for another table