Which MySQL Utility Recovers a MyISAM Log File?
You are assigned a task to examine the log files pertaining to MyISAM storage engine. While examining, you are asked to perform a recovery operation on a MyISAM log file. Which among the following MySQL Utilities allow you to do so?
Community Votes
100% of anonymous learners picked answer C. Votes are pick records left by other test-takers — they are not the verified answer.
Community Insight
The question tests whether you can distinguish MyISAM log-file processing from MyISAM table repair, and the trap is choosing myisamchk because its name suggests recovery.
MySQL's myisamlog utility processes MyISAM log file contents and can perform recovery operations on that log. This page confirms that myisamlog, not myisamchk or mysqldump, is the correct tool for the stated task.
The most common wrong answer is myisamchk, because it is a well-known MySQL recovery utility for checking and repairing MyISAM tables, but it does not process the MyISAM log file.
Community Discussion (3 comments)
Comments & Corrections
No comments yet — spotted an error or have a note? Share it below.
Expert Analysis
Why the Answer Is Correct
myisamlog is the MySQL utility specifically intended to process the contents of a MyISAM log file, including displaying its entries and performing recovery operations against that log. The MyISAM log records changes made to MyISAM tables when logging is enabled, so recovery from that log requires a tool that understands the log format. The question asks about examining log files and performing a recovery operation on a MyISAM log file, which matches myisamlog exactly. Choosing myisamlog also keeps the distinction clear between log-file recovery and table-file repair.Why the Other Options Are Wrong
mysqldump is a logical backup utility that exports database contents; it does not read or recover a MyISAM log file. myisamaccess is not a documented MySQL utility for this purpose and does not fit the scenario. myisamchk is the strongest distractor because it checks, repairs, and optimizes MyISAM tables, but its role is table and index maintenance rather than MyISAM log-file processing. Thus, myisamchk can be involved in repairing a damaged table, but it is not the utility named for recovering a MyISAM log file.Community Comment Notes
Elb correctly summarizes the purpose as "To process the MyISAM log file and perform recovery operation" and points to the MariaDB Knowledge Base entry formyisamlog. Another learner, aqeel1506, argued for myisamchk by describing table checking and repair, but that explanation addresses MyISAM table maintenance rather than the log-file recovery operation asked about here. The recorded votes favor myisamlog, and the vendor documentation confirms that myisamlog is the log-processing utility. Official Reference
Exam Strategy
When a question names a specific file type, match the utility to that file type before focusing on the word "recovery." Here, the MyISAM log file points to myisamlog, while myisamchk belongs to table repair and optimization. Eliminate general backup tools such as mysqldump first.
Frequently Asked Questions
Why is myisamchk not the utility for recovering a MyISAM log file?
myisamchk checks, repairs, and optimizes MyISAM tables; it does not process the MyISAM log file, which is myisamlog's purpose.
Does myisamlog only display MyISAM log file contents?
No; myisamlog can display the log and can also perform recovery operations on the MyISAM log file when used accordingly.