Define gdg?
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Differentiate between control interval (ci) and control area (ca)?
What is the main function of linear dataset?
What is the utility program closely associated with VSAM?
Define base cluster?
what is the use of reuse in vsam?
State the differences between vsam and non-vsam files?
What is the place for VSAM KSDS?
In the COBOL SELECT statement what is the ORGANIZATION for a KSDS?
What is VERIFY command ? when do you use this command?? What actually it does ??
While designing vsam files,what is the best way to choose control interval size for the data and the index?
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?
Tell about the ams used in vsam?