Answer / guest

Generation Data Group is a group of chronologically or
functionally related datasets. GDGs are processed
periodically, often by adding a new generation, retaining
previous generations, and sometimes discarding the oldest
generation.

Answer / maveric

GDG is group of datasets that are related to each other functionally.
For Example:-
Processing Payroll, Invoicing regular customers, Income Tax report

diff bw SB37,SD37,SE37 ?( bcz these 3 belongs Space related abends only)

4 Answers   RBS,

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How does jcl act on code(if you take a cobol program)?

0 Answers  

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What is the difference between primary and secondary allocations for a dataset?

8 Answers  

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If the proc stepname is excluded while overriding the COND, TIME, REGION and PARM parameters while calling the proc, will the override only apply to the first step in the proc or all the steps for all the above parameters?

2 Answers  

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can i sort packed decimal if i can tell the syntax

1 Answers   Barclays,

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What are the parameter in the job card wihtout which job won't run........

10 Answers   IBM,

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I have a JCL which 20 steps. How do I execute 17 th step alone (It should execute only 17ths tep.and it should not execute 18,19,20 steps??

9 Answers   IBM, Infosys, TCS, Xansa, Xchanging,

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Can we change the LIMIT of GDG?

6 Answers   HCL,

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Explain about LMPUT-

1 Answers  

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Which storage devices are grouped under DASD and SYSDA ?

1 Answers   IBM,

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how can you check if a file is empty using jcl?

0 Answers   IBM,

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what is a null indicator in db2?

5 Answers   Fiserv, IBM,

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