what are the idcams commands that can be used for vsam and explain each of them.
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Why is it required to have a keyed directed retrieval?
what do you mean by the repro command?
How many Alternate Indexes you can have on a dataset?
looking at the basic definition of VSAM file how to recognize whether it is a KSDS OR RRDS OR ESDS ?
What is the procedure for running the batch job in mainframe?
What is an RBA in rrds? What does it do? What is it used for?
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 difference between sequential files and ESDS files?
What is a ci split?
Explain the biggest disadvantage of using a vsam dataset?
what will happen if there is no secondary allocation made for datasets?
What is a CA, control area?