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  1. What does LAST_INSERT_ID() return when no AUTO_INCREMENT value has been generated during the current connection?
    1. 2
    2. 1
    3. 0
    4. -1
    5. None of these
Correct Option: D

The ‘LAST_INSERT_ID()’ function returns zero when no ‘AUTO_INCREMENT’ value has been generated during the current connection with the server. It is tied to the current connection.


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