is it necessary that all versions of the gdg have to be of the same record length?
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what is the use of the file status clause in the select statement in vsam?
explain the information contained in ci
What is the purpose of idcams?
What is the main function of key sequenced data set in vsam?
what do you mean by the cobol record key clause in vsam?
What is the difference between PS file and VSAM file?
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What are the access method services used in vsam?
What's a LDS (Linear Data Set) and what's it used for?
what is buffering and how does it apply to vsam files ?
What is FREESPACE ?
Using alternate indexes in batch program?
what how do you initialize a vsam file before any operation? A vsam with alternate index?