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  1. Which statement on the master expires binary log files?
    1. SHOW MASTER STATUS
    2. SHOW SLAVE STATUS
    3. PURGE MASTER
    4. PURGE SLAVE
    5. None of these
Correct Option: C

The ‘PURGE MASTER’ statement on the master expires binary log files. This can be used after issuing a ‘SHOW SLAVE STATUS’ statement on each of the slaves to determine which log files are no longer needed.



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