What is a ci split? What is a ca split?
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Suppose 3 generations of a GDG exist. How would you reference the 1st generation in the JCL?
can any one tell "in esds in what structure records will stored?"
Define a path?
explain how do you define a gdg in vsam?
What is the main function of linear dataset?
Do primary key values have to be unique? Do alternate key values have to be unique?
In the COBOL SELECT statement for a KSDS what are the three possibilities for ACCESS?
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.
Can we copy a sequential file to a VSAM file ? If yes, What will happen of the size of the sequential file is bigger than that of the VSAM file?
What is a CI, control interval?
What is a sequence set?
Why is master catalog used in vsam?