what will happen if there is no secondary allocation made for datasets?
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is it necessary that all versions of the gdg have to be of the same record length?
What is control area?
Explain the index set?
What does the keyranges parameter in define cluster command do?
why do we use vsam file thn seqential files ?
explain in brief what are the 3 types of vsam files?
Why is it required to have a keyed directed retrieval?
In a KSDS file, key is missing for one record. How to insert the key for that particular record from back up file. Is there any sorting needed for the back up file before the key insertion?
What is Control Interval, Control Area?
On which dataset you can have alt index?
What is the procedure for running the batch job in mainframe?
What is a base cluste?