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What is the use of VSAM files? How to read this ?

Answers were Sorted based on User's Feedback



What is the use of VSAM files? How to read this ?..

Answer / y@$w@nth

VSAM stands for Virtual Storage Access Method.it organizes
the records in a file in different formats for faster
accessing. various vsam datasets(files) structures are

KSDS(Key Sequential Dataset)
ESDS(Entry Sequenced Dataset)
RRDS(Relative Record Dataset)

we can read the Vsam Files
sequentially,randomly,dynamically(sequential,random) based
on the organization it refers.the following are the access
methods that we can perform on vsam datasets(files)

KSDS(sequential,random,dynamic)
ESDS(sequential,random)
RRDS(sequential,random)

Is This Answer Correct ?    13 Yes 0 No

What is the use of VSAM files? How to read this ?..

Answer / dinesh

VSAM (or) VIRTUAL STORAGE ACCESS METHOD. it is faster access
to data, when comparing other access methods by the way of
Data sets ORGANIZATION. we can able to insert a records in
good way.records are physical removed while we deleting the
records and we can get the free space.

Is This Answer Correct ?    13 Yes 1 No

What is the use of VSAM files? How to read this ?..

Answer / raaj

vsam is an accessing and storing method ,which provides an
efficient way of storng and accessing file data.

Is This Answer Correct ?    4 Yes 1 No

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More VSAM Interview Questions

What is the VSAM-code field?

1 Answers  


What is a lds (linear data set) and what is it used for?

0 Answers  


can you specify some the distinctive features of a ksds, key sequenced dataset?

0 Answers   IBM,


How is record management performed in vsam?

0 Answers  


What is the significance of the SHAREOPTIONS parameter?

1 Answers   IBM,


what is the drawback of vsam dataset?? a.execution slow. b.free space. c.independent storage device. d.none of the above. let me know the answer with reason.

4 Answers   Target,


What are the distinctive features of a ksda, key sequenced dataset?

0 Answers  


Can you delete vsam files with the delete option of the disposition parameter of jcl?

0 Answers   IBM,


what does a file status of 02 on a vsam signifies?

0 Answers   IBM,


what is difference between repro and export? if any one know this plz tell me

7 Answers   Cap Gemini,


What is the maximum no. of records that can be allowed in VSAM ?

2 Answers  


Suppose 3 generations of a GDG exist. How would you reference the 1st generation in the JCL?

2 Answers   IBM,


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