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What Is a Dead Lock in MySQL
What Is a Dead Lock in MySQL?
✍: FYIcenter.com
A dead lock is phenomenon happens between two transactions with each of them holding a lock that blocks the other transaction as shown in the following diagram:
(transaction 1) (transaction 2) update row X to create lock 1 update row Y to create lock 2 update row X (blocked by lock 1) update row Y (blocked by lock 2) (dead lock created)
⇒ Experiment with Dead Locks in MySQL
⇐ Error: Lock Wait Timeout Exceeded in MySQL
2017-04-28, 1613🔥, 0💬
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