Which DBMS component is responsible for managing concurrent transactions and maintaining consistency?
Options
- A. Query processor
- B. Transaction manager
- C. Data dictionary
- 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. Transaction manager
Detailed Explanation
- Transaction manager: Coordinates transaction execution and helps maintain database consistency.
- It works with concurrency-control and recovery mechanisms.
- Query processor: Parses, optimizes and executes database queries.