explain how can you initialize a vsam file before any operation?
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what are the different types of vsam files available? Explain them
Define a path?
what are the codes returned by the ams (access method services) command during the execution in vsam?
Why is master catalog used in vsam?
is it necessary that all versions of the gdg have to be of the same record length?
Is it slower if you access a record through ALT INDEX as compared to Primary INDEX? Why?
what is the meaning of dynamic processing in vsam?
what is the concept of IMPORT in vsam??
Suppose a generation of GDG gets created in a particular step of a proc. How would you refer the current generation in a subsequent step? What would be the disposition of this generation now ?
is it slower if you access a record through alternative index as compared to primary index?
There are at least seven IDCAMS commands; name and explain each of them ?.
What is the catalog?