Which database model uses primary keys and foreign keys to establish relationships between tables?
Options
- A. Hierarchical model
- B. Relational model
- C. Network model
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
B. Relational model
Detailed Explanation
- Relational model: Uses keys to establish relationships between tables.
- Primary key: Uniquely identifies a record in a table.
- Foreign key: References a candidate key, commonly a primary key, in another or the same table.