why do we use vsam file thn seqential files ?

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why do we use vsam file thn seqential files ?..

Answer / vijay

1)Record Insertion inbetween the existing recored is
poosible.
Where as in PS file we can add only at the end

2) we read record in any order
were as in PS it is possible to read from 1st , 2nd ,
3rd... like that

Is This Answer Correct ?    7 Yes 1 No

why do we use vsam file thn seqential files ?..

Answer / rajesh

ps files are stored in tape but esds cannot be stored in tape
and ps file cannot becreated alternate index but esds can be created

Is This Answer Correct ?    3 Yes 0 No

why do we use vsam file thn seqential files ?..

Answer / pramod reddy

ps files can created on tape.but not esds files.
alternate index can be created in esds.but not in ps.
records inserted in seq nd random.but in ps only seq.

Is This Answer Correct ?    1 Yes 0 No

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