what is internal sort and external sort ?
which is preferable ?
Answers were Sorted based on User's Feedback
Answer / tejas sheth
For internal sort you need to code a program by specifying
the sort criteria and that the program need to be compiled
But in case of External sort there is no need for coding the
program.Moreover you can change the sort criteria just by
changing the sort parameters that passed thru the SYSIN card.
So the external sort is more efficient compared to internal
|Is This Answer Correct ?||24 Yes||7 No|
Answer / udhaya
the internal sorting can reside in main memory....external
use secondary memory.....
-internal sorting is independent of time to read/write a
record...external ids dependent on the same
-internal sorting takes input only which can be fit into
its memory...i.e. it takes small input....whereas external
sorting can take as much as large input...
|Is This Answer Correct ?||16 Yes||3 No|
I have files that contains both duplicates files(occur more than twice) and non-duplicate files.The file is already sorted by a key.I want to determine those records that are duplicate and will be move to a duplicate file and non- duplicate files to be move to a valid file.thank you.help please
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