Explain about the file objects in vsam?
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What is the catalog?
What is a CA, control area?
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?
Differentiate between ci split and ca split?
Can we copy Vsam files from a Vsam file in Iebgener step?
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what are the idcams commands that can be used for vsam and explain each of them.
explain the differences between vsam and non-vsam files
What is an alternate index?
Hi, I want to create alternate index on VSAM file.my file structure is ex: RoomID pic x(7) R000001 Floor pic a((6) First RoomNo pic x(2) FA1 Occupied(yes/no) pic a(3) Yes Occupied Batch pic x(10). Maths i want to create alternate index on floor,roomno fields.can i create alternate index on both the fields.and tell me how to create.
What is a ca split?
How many times secondary space allocated?
explain in brief how are different versions of gdg named?