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looking at the basic definition of VSAM file how to recognize
whether it is a KSDS OR RRDS OR ESDS ?
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Answer Posted / guest
ksds as keys and rrds as numbers esds as workd we can
identify it as a vsam file with the help of this
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Define gdg?
what is meant by dirty read in vsam?
On which dataset you can have alt index?
to use the rewrite command, how should the vsam file be opened?
Explain the function of entry-sequenced data set?
Discuss record management in vsam?
explain how can you initialize a vsam file before any operation?
differentiate between sequential files and esds files in vsam?
Why is it required to have a keyed directed retrieval?
how can you load a vsam data set with records ?
Using alternate indexes in batch program?
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.
What is the main purpose of having user catalog in vsam?
What are the different dataset organizations used in vsam?
What does the keyranges parameter in define cluster commends do?
