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

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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)

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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.

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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.

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