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MySQL Scheduling and Locking Issues

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  1. Which statement issues a lock on tables?
    1. ISSUE LOCKS
    2. LOCK TABLES
    3. ISSUE LOCK
    4. LOCK ISSUE
    5. None of these
Correct Option: B

Locks can be acquired and released explicitly by issuing LOCK TABLES and UNLOCK TABLES statements. Normally the server’s lock manager automatically acquires locks as necessary and releases them when they no longer are needed.


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