How do you calculate record size of an alternate cluster? Give your values for both unique and nonunique.
IBM,
1 8280Suppose 3 generations of a GDG exist. How would you reference the 1st generation in the JCL?
IBM,
2 13596Suppose 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?
IBM,
2 5777What more info you should give in the DD statement while defining the next generation of a GDG?
IBM,
1 5114Assuming that the DEFINE JCL is not available, how do you get info about a VSAM file's organisation?
IBM,
1 4964During processing of a VSAM file, some system error occurs and it is subsequently unusable . What do you do ?
1 6159
what will happen when you try to open an empty vsam file in a cobol program for input?
what is buffering and how does it apply to vsam files ?
explain in brief what are the 3 types of vsam files?
Define base cluster?
How do you calculate record size of an alternate cluster?
Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?
What are the advantages of vsam over isam?
What is the difference between lds and esds?
Explain the difference between lds and esds?
is it required that primary key values have to be unique? Do alternate key values have to be unique?
what do you mean by the cobol record key clause in vsam?
why ci and ca splits are not possible in esds and rrds?
what are the idcams commands that can be used for vsam and explain each of them.
what is meant by s0c-07 system abend codes?
Why is it required to have a keyed directed retrieval?
