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what's the biggest disadvantage of using a VSAM dataset?
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- Anjana, CTS, DSRC, IBM, I also Faced
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Answer / xyz
1. VSAM increases the disk space requirements. For self-
reorganization free space must be deliberately left.
2.Except for read-only the integrity of VSAM datasets in
cross region/system must be maintained by the user.
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / sachin
THE BIGGEST DISADVANTAGE IS VSAM OCCUPIES MORE DASD SPACE
THAN NON VSAM
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / avinash kumar techrel
Free space Used in Contol Interval.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / nihar ranjan karan
The biggest disadvantage of a VSAM dataset I believe is
that it can be only be created on a DASD. So it obviously
means you cannot use any other media for storage and
retrieval of VSAM datasets.
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / vinothkumar
DISADVANTAGES:
(i)the vsam file have FREE SPACE parameter with in the CI.
so,it will take large memory space.
(ii)it have CONTROL INFORMATION by itself. that's why it
will take more memory space.
| Is This Answer Correct ? | 1 Yes | 2 No |
Answer / philippe van de woestyne
Also the overhead (shareoption(4)) when sharing (I/O) the
same file from multiple environment, EG Cics + Batch
| Is This Answer Correct ? | 0 Yes | 2 No |
What is the purpose of having vsam data space?
can we access sequential files online
What does the keyranges parameter in define cluster command do?
Describe the uses of ams?
Is CA(Control Area) is part of CI(Control Interval)
we can define the ksds cluster by two ways by using the file-aid or by using the idcams utility. Explain them.
What is the maximum number of Alternate Index ???
How did you refresh a VSAM file and how frequently you do it ?
3 Answers CSC, IBM, Patni, Xansa,
What is the purpose of idcams?
what are the idcams commands that can be used for vsam and explain each of them.
What is the meaning of the DEFINE MODEL parameter?
should a AIX should be a unique value?
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