Oracle - What Is a Dead Lock in Oracle

What Is a Dead Lock in Oracle

Q

What Is a Dead Lock in Oracle?

✍: FYIcenter.com

A

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)

⇒Understanding SQL Transaction Management in Oracle

⇒⇒Oracle Database Tutorials

2019-08-08, 630👍, 0💬

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What Is a Dead Lock in Oracle
What Is a Dead Lock in Oracle? 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 (bl... 2019-08-08, 631👍, 0💬

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