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Answer Posted / mahesh
alreadyy allocated space is used .it uses free space to
insert a records
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Define free space?
How to get the last record in vsam file in cluster?
what are the idcams commands that can be used for vsam and explain each of them.
Differentiate between control interval (ci) and control area (ca)?
What are the building blocks used in vsam datasets?
Describe the uses of ams?
Why is it required to have a keyed directed retrieval?
what do you mean by a upgrade set in vsam?
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.
in a cobol select statement for a ksds can you tell me what are the 3 possibilities for access?
How do you calculate record size of an alternate cluster?
Can you delete vsam files with the delete option of the disposition parameter of jcl?
explain in brief what are the 3 types of vsam files?
Would you specify freespace ce for an esds?
Explain the process in which flat files are converted into vsam files?
