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  • INTERVIEW QUESTIONS ORACLE DETAILS
    Question :
    what are phantom rows?

    Posted by: sandeep on 10/20/2008

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    Category Oracle Interview Questions
    Rating (0.4) By 1016 users
    Added on 10/20/2008
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    Answers:

    If you have already read a range of data based upon a key value, another transaction inserts a new row which happens to have a value between this range. The original range which was referred to would now become invalid. This is because a ?Phantom row? was added.



    Posted by: somen    

    Contact somen Contact somen

    can u give an example????



    Posted by: premangshu dey    

    Contact premangshu dey Contact premangshu dey

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