Answer Posted / anna
sequential processing after random retrival
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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.
how do you create an alternate index ?
is it necessary that all versions of the gdg have to be of the same record length?
what do you mean by a vsam split?
can you specify some the distinctive features of a ksds, key sequenced dataset?
How do you calculate record size of an alternate cluster?
what how do you initialize a vsam file before any operation? A vsam with alternate index?
Tell me how many alternate indexes you can have on a dataset?
Explain the purpose of the file status clause in the select statement?
what parameter in the define aix option is used to determine the maximum number of duplicate keys allowable ?
What are the steps involved in access method services?
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 main function of linear dataset?
Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?
Explain the catalog?