explain in brief what are the 3 types of vsam files?
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explain in brief how you can create a vsam file?
During processing of a VSAM file, some system error occurs and it is subsequently unusable . What do you do ?
Tell about the ams used in vsam?
What is a CA, control area?
What is a sequence set?
How is the sorting of vsam files carried?
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.
Using Alternate Indexes in Batch pgms: ?
Explain the purpose of the file status clause in the select statement?
explain in brief why do vsam take more disk space than other utilities?
What is the upgrade set?
How do you convert flat files to VSAM files ?
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