explain in brief why do vsam take more disk space than other utilities?
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What is a ca split?
How do you calculate record size of an alternate cluster? Give your values for both unique and nonunique.
What makes vrrds different from vsam?
How many cluster index can have in a table?
How do you define a GDG ?
In a file(PS), we dont know how many records are there. requirement is divide half n half the records n insert into 2 another files(PS).
What is a CA, control area?
what is control interval(CI) and control Area(CA)
Name some common VSAM error conditions and codes. ?
What is IDCAMS? and what is the purpose of it?
what is the RRN for the first record in RRDS?
What is the use of lds (linear data set)?