What is the difference between PS file and VSAM file?

Categories >> Software >> MainFrame >> IBM MainFrame >> VSAM
Suggest New Category

Question Posted / sasi

7 Answers
36788 Views
IBM, Infosys, Verizon, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

What is the difference between PS file and VSAM file?..

Answer / ram

In physical sequential file records are stored in terms of
blocks,where as in VSAM files records are stored in
ControlInterval(C.I).

Is This Answer Correct ?

51 Yes

3 No

What is the difference between PS file and VSAM file?..

Answer / manjula

PS files can be created on tapes while the VSAM files
cannot. Also, VSAM files can have ALTINDX(alternate index)
while no such facility exists for PS files.

Is This Answer Correct ?

23 Yes

3 No

What is the difference between PS file and VSAM file?..

Answer / tanushree

Storage capacity of VSAM file is more than that of NON-Vsam file.
in VSAM if tale 1 trk => 1+1*122=123 extent allocation.
where as in NON-VSAM, for 1 trk => 1+1*15=16 extent allocation.

Is This Answer Correct ?

14 Yes

0 No

What is the difference between PS file and VSAM file?..

Answer / avinash kumar techrel

ps file is used for writing a program and storing data.but
vsam used only for storing data.ps file accessed
sequentially.but vsam accessed sequentially,randomlyand
dynamically.

Is This Answer Correct ?

10 Yes

1 No

What is the difference between PS file and VSAM file?..

Answer / vivek

VSAM files are used when we want to store data based on
some key fields(Eg: KSDS)
access method is indexed.
NON VSAM files like PS are used when we want to store data
which is not unique and also the access is sequential.

Is This Answer Correct ?

7 Yes

2 No

What is the difference between PS file and VSAM file?..

Answer / ram

online environment cannot access ps(batch)
but vsam can

Is This Answer Correct ?

4 Yes

1 No

What is the difference between PS file and VSAM file?..

Answer / vignesh

A)
1.ISPF panel or a standard JCL is used for creation of a PS
files.
2.AMS program is used to create the VSAM files

B)
1.Information about PS files is stroed as dataset labels in
the VTOC(VOLUME TABLE OF CONTENTS).
2.VSAM is stored in CATALOG.

Is This Answer Correct ?

3 Yes

3 No

Post New Answer