DS0-001 Data Systems Management Practice Question
A MySQL DBA needs to diagnose a deadlock issue. Which tool or command provides the most detailed information regarding the specific InnoDB internal locks held by transactions at the time of a deadlock?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
SHOW ENGINE INNODB STATUS
The command 'SHOW ENGINE INNODB STATUS' provides a section specifically detailing the last detected deadlock, including the locks held by the involved transactions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
CHECK TABLE
Why it's wrong here
CHECK TABLE identifies corruption in tables, not transaction deadlocks.
- ✓
SHOW ENGINE INNODB STATUS
Why this is correct
This command outputs the InnoDB monitor output, which includes the latest deadlock detection information.
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EXPLAIN
Why it's wrong here
EXPLAIN is used for query execution plan analysis, not deadlock diagnostics.
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SHOW PROCESSLIST
Why it's wrong here
This shows active connections but not the specific lock structures involved in deadlocks.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CompTIA exam blueprint
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