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Explain the purpose of the file status clause in the select statement?
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what do you mean by gdg in vsam?
What is the main function of linear dataset?
explain the differences between vsam and non-vsam files
in a cobol select statement for a ksds can you tell me what are the 3 possibilities for access?
Explain the catalog?
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?
How can you create a VSAM dataset? Can you write a JCL for it?
what is meant by dirty read in vsam?
What is the difference between lds and esds?
what is a base cluster in vsam?
What more info you should give in the DD statement while defining the next generation of a GDG?
How to open VSAM file from 3.4? i have millions of records and i dont want to use the print ch ids(/) command bcz it takes to much time. so if you have any another command to open this plz tell me.
COBOL 
