Which type of key is generated by the database system and has no direct business meaning?
Options
- A. Natural key
- B. Surrogate key
- C. Foreign key
- 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. Surrogate key
Detailed Explanation
- Surrogate key: An artificial identifier generated for uniquely identifying records.
- Example: An automatically generated numeric ID.
- It has no direct business meaning and is commonly used as a primary key.