to use the rewrite command, how should the vsam file be opened?
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Explain the process in which flat files are converted into vsam files?
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what are the different types of vsam files available? Explain them
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1. delete is not possible in esds. why? 2. i have 10 records in a esds file and i want to delete only 1st record ..then what i have to do?.. it will not affect any sequence of the RBA. 3. why open extend is not possible in rrds vsam file?
What is the maximum record length for the VSAM dataset?
Explain the catalog?
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