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What is a GDG? How is it referenced? How is it defined? What is a MODELDSCB? GDG stands for generation data group. It is a dataset with versions that can be referenced absolutely or relatively. It is defined by an IDCAMS define generation datagroup execution.
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Describe the JOB statement, its meaning, syntax and significant keywords.
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How will you call the return code of JCL ?
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How can be determined if date contained in the header of a file is date current date?
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What is the difference between BLKSIZE and LRECL?
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How to by pass the step without cond parameter
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i have a main program in a pds i.e a.b.c and sub program is in a.b.d.
the question is how would be the dd statement
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Why we use export-import over repro?
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What is the advatage of coding RECFM=F over RECFM=FB.
I know the concept that RECFM=FB is fast, easily accessable due to the fact that FEW (not 1 records) records are allocated to each BLOCK. Then who would like to specify RECFM=F? And why?
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What is the difference between DISP=OLD,DISP=MOD & DISP=NEW
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How to invoke a jcl(with all control cards, like job crad and all) from another jcl
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What is the use of sysprint, sysin, sysout, dummy in jcl ?
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What could be the disposition parameter that i would have to use in the jcl if i have a file that has to be created newly for every successful run of the program ,but at the same time it should retain the old data if my program abend in the middle and restarts. could you please provide me the code
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What is difference between addressing mode and residential mode
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There are 100 steps in a jobcard.If we want to execute 100th step,what to do? and but remaining 99 steps should not execute
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What is the importance of ADDRSPC parameter in EXEC statement and how is it different from REGION parameter of EXEC statement?
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How do you convert negative packed decimal number to positive PD using JCL?
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Does mainframe will support object oriented concept? Jestify.
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What are the difference between in-stream procedure and inline procedure in jcl ?
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What is abend s322
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