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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

explain in brief why do vsam take more disk space than other utilities?

0 Answers   IBM,


By seeing a program how we findout it is a VSAM program?

6 Answers   TCS,


what how do you initialize a vsam file before any operation? A vsam with alternate index?

0 Answers   IBM,


What is the difference between sequential files and ESDS files?

1 Answers   IBM,


Define base cluster?

0 Answers  


How many times secondary space allocated?

5 Answers  


what do you mean by define model parameter?

0 Answers   IBM,


What is the purpose of the FILE STATUS clause in the SELECT statement?

1 Answers  


what do you mean by the cobol record key clause in vsam?

0 Answers   IBM,


What is recovery parameters in define cluster command?

0 Answers  


Can AMS commands be run from the TSO prompt ?

1 Answers   IBM,


What is VERIFY command ? when do you use this command?? What actually it does ??

2 Answers   Xansa,


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