Oracle
1Z0-873 · Question #11
With MyISAM table locking, deadlocks do not occur because:
The correct answer is D. None of the above. With table locking, the server can determine what locks are needed and acquire them before executing a statement, so deadlock never occurs.
JDBC
Question
With MyISAM table locking, deadlocks do not occur because:
Options
- AAll tables to be locked are sorted in an internally defined order
- BIf a table is locked with a read lock and a write lock, the write lock is set before the read lock
- CTables are locked one table at a time until the thread gets all the locks
- DNone of the above
How the community answered
(30 responses)- A10% (3)
- B3% (1)
- C17% (5)
- D70% (21)
Explanation
With table locking, the server can determine what locks are needed and acquire them before executing a statement, so deadlock never occurs.
Topics
#MyISAM#deadlock prevention#table locking#lock ordering
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