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why do we use vsam file thn seqential files ?
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Answer Posted / pramod reddy
ps files can created on tape.but not esds files.
alternate index can be created in esds.but not in ps.
records inserted in seq nd random.but in ps only seq.
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explain how many ways you can load data in a vsam cluster?
Explain the significance of the shareoptions parameter?
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.
Explain the biggest disadvantage of using a vsam dataset?
Differentiate between ci split and ca split?
what parameter in the define aix option is used to determine the maximum number of duplicate keys allowable ?
explain how can you initialize a vsam file before any operation?
What is the main function of key-sequenced data set?
Define free space?
What is control interval?
What are the different commands used in idcams for vsam?
Using alternate indexes in batch program?
Define dynamic processing?
Why is it required to have a keyed directed retrieval?
What does the keyranges parameter in define cluster commends do?
