What does the keyranges parameter in define cluster command do?
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what is the difference between vsam and dataset how do u create vsam dataset which file you r used?
Create syntax for a VSAM file ?
What is the function of linear dataset in vsam?
What does the keyranges parameter in define cluster command do?
explain in brief how are different versions of gdg named?
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?
Assuming that the DEFINE JCL is not available, how do you get info about a VSAM file's organisation?
What are the different types of VSAM files available?
differentiate between sequential files and esds files in vsam?
What is the use of access method services in vsam?
what do you mean by the cobol record key clause in vsam?
Suppose a generation of GDG gets created in a particular step of a proc. How would you refer the current generation in a subsequent step? What would be the disposition of this generation now?