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what's the biggest disadvantage of using a VSAM dataset?
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Answer Posted / 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 |
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Why is master catalog used in vsam?
What is the function of entry sequenced data set?
what do you mean by recovery and speed parameters in define cluster command?
what will happen when you try to open an empty vsam file in a cobol program for input?
What is the use of lds (linear data set)?
name the utility program closely associated with vsam?
we can define the ksds cluster by two ways by using the file-aid or by using the idcams utility. Explain them.
Describe the uses of ams?
to use the rewrite command, how should the vsam file be opened?
in a cobol select statement for a ksds can you tell me what are the 3 possibilities for access?
Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?
explain how can you initialize a vsam file before any operation?
what is the meaning of dynamic processing in vsam?
what is the purpose of the verify function of idcams?
Yes. Because the alternate key would first locate the primary key, which in turn locates the actual record. Needs twice the number of I/Os.
