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  1. The number of legal hexadecimal values among 0x0a, 0x0A, 0X0a and 0X0A is ___________.
    1. 4
    2. 3
    3. 2
    4. 1
    5. None of these
Correct Option: C

In MySQL, the hexadecimal values are case sensitive. The leading 0x is what makes it case sensitive. Not the lowercase ‘x’ notation is used here. Numbers prefixed with ‘0X’ are illegal.


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