why do we use vsam file thn seqential files ?

Answers were Sorted based on User's Feedback



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

Post New Answer

More VSAM Interview Questions

Syntax of AMS modal commands ?

1 Answers   IBM,


How do you define an ALTINDX ? How do you use ALTINDXs in batch, CICS pgm?s ?

2 Answers   IBM,


how yo view the vsam file?

5 Answers   DSRC, TCS,


What is a lds (linear data set)?

0 Answers  


Name some common VSAM error conditions and codes. ?

1 Answers   IBM,






Define gdg?

0 Answers  


why ci and ca splits are not possible in esds and rrds?

0 Answers   IBM,


what is the purpose of the verify function of idcams?

0 Answers   IBM,


how can you copy to a vsam cluster?

0 Answers   IBM,


what's the device independent method to indicate where a Record is Stored?

1 Answers  


what do you mean by define model parameter?

0 Answers   IBM,


to use the rewrite command, how should the vsam file be opened?

0 Answers   IBM,


Categories