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MySQL Scheduling and Locking Issues

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  1. Which table is preferred when there are many updates?
    1. MERGE
    2. MEMORY
    3. MyISAM
    4. InnoDB
    5. None of these
Correct Option: D

The InnoDB tables can provide better performance when there are many updates. Locking is done at the row level rather than at the table level. So the extent of the table that is locked is smaller.


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