explain how can you initialize a vsam file before any operation?
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During processing of a VSAM file, some system error occurs and it is subsequently unusable . What do you do ?
what is control interval(CI) and control Area(CA)
what do you mean by a shareoptions parameter (shr) in define cluster command?
if you wish to use the rewrite command how must the vsam file be opened?
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.
is it slower if you access a record through alternative index as compared to primary index?
what is the use of aix in vsam why do we go for aix and wht is build index in vsam?
Why is it required to have a keyed directed retrieval?
explain in brief what are the 3 types of vsam files?
How do you define an ALTINDX ? How do you use ALTINDXs in batch, CICS pgm?s ?
Can AMS commands be run from the TSO prompt ?
How did you refresh a VSAM file and how frequently you do it ?
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