Deadlock in DBMS
📘 DBMS
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📅 Nov 14, 2025
⏱ Estimated reading time: 1 min
What is Deadlock?
A deadlock occurs when two or more transactions wait for each other indefinitely.
Deadlock Conditions
- Mutual exclusion
- Hold and wait
- No preemption
- Circular wait
Deadlock Handling Techniques
- Deadlock Prevention: Prevent circular wait
- Deadlock Avoidance: Using Banker’s algorithm
- Deadlock Detection: Wait-for graph
- Deadlock Recovery: Rollback or kill process
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