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    Question :
    Explain the difference between an internal and an external sort, the pros and cons, internal sort syntax etc.

    Category COBOL Interview Questions
    Rating (0.4) By 1084 users
    Added on 7/22/2006
    Views 2081
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    External sort is performed by SORT pgm. Internal sort gives you data handling flexibility and it takes less secondary memory. For huge Volume of files it's better to use internal sort else large amount of space will be required in external sort. any comments...?

    yes i agree internal sort is preferable than external sort

    Posted by: koteeswaran    

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    inter sort=cobol
    external sort= jcl

    Posted by: srinu    

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    internal sort done by cobol & external sort dine by jcl.
    the syntax for internal sort is
    sort file3 on a/d key key-name using i/p-filename giving o/p-filename

    Posted by: sabarinath    

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    external sort= jcl will be the good option in case of live scenario as you can use various sort condition to save the CPU time in Production.

    Posted by: Amit D    

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    internal sort used in jcl
    syntax:(staring position,length,charactortype,ascending/desecending)

    Posted by: reddy    

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