What are the different versions of gdg named?
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is it required that primary key values have to be unique? Do alternate key values have to be unique?
explain the information contained in ci
Can you delete vsam files with the delete option of the disposition parameter of jcl?
what do you mean by a vsam slot?
is it slower if you access a record through alternative index as compared to primary index?
How vsam datasets are cataloged?
How do you convert flat files to VSAM files ?
What is the difference between shroptions(2 3) and shroptions (4 3) in the Def CLUSTER ??
can you specify some the distinctive features of a ksds, key sequenced dataset?
What does the KEYRANGES parameter in Define Cluster commend do?
explain in brief how are different versions of gdg named?
What is the COBOL RECORD KEY clause?