In a high-concurrency database system, two transactions are waiting for each…
2026
In a high-concurrency database system, two transactions are waiting for each other's locked resources. What is the most effective automatic way for a DBMS to handle this situation ?
Answer: C. Deadlock detection and victim selection — The scenario describes a deadlock where transactions wait for each other's resources. The most effective automatic DBMS mechanism is deadlock detection…
- A.
Switching from pessimistic to optimistic locking
- B.
Increase the size of the database buffer cache
- C.
Deadlock detection and victim selection
- D.
Deadlock prevention using spooling
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Correct answer: C
The scenario describes a deadlock where transactions wait for each other's resources. The most effective automatic DBMS mechanism is deadlock detection followed by victim selection to resolve the conflict.