Which DBMS mechanism allows multiple transactions to access shared data safely without interfering with one another?
Options
- A. Concurrency control
- B. Data loading
- C. File compression
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
A. Concurrency control
Detailed Explanation
- Concurrency control: Coordinates simultaneous transactions accessing shared data.
- It helps prevent problems such as lost updates and inconsistent reads.
- Locking and timestamp ordering are common concurrency control techniques.