what's the biggest disadvantage of using a VSAM dataset?
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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 |
how many buffers are allocated to vsam ksds and esds?
what is the meaning of each of the values in shareopts(2 3)?
What is the catalog?
FREESPACE can be specified for which type of cluster? a.LDS b.RRDS c.ESDS d.KSDS
What is the main function of linear dataset?
What is a base cluste?
How to insert values for variables that are declared as COMP-3 variables in COBOL program in an already created VSAM file.
what is control interval(CI) and control Area(CA)
what do you mean by gdg in vsam?
what do you mean by define model parameter?
Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?
What is RECOVERY and SPEED parameters in DEFINE CLUSTER command?
COBOL 
