Assuming that the DEFINE JCL is not available, how do you get info about a VSAM file's organisation?

1 Answers   IBM,

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Why is it required to have a keyed directed retrieval?

0 Answers  

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What's a LDS (Linear Data Set) and what's it used for?

1 Answers   Cap Gemini, Steria,

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Can you delete vsam files with the delete option of the disposition parameter of jcl?

0 Answers   IBM,

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What is the VSAM-code field?

1 Answers  

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what is the use of aix in vsam why do we go for aix and wht is build index in vsam?

5 Answers   HCL, IBM,

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I have three fields in a Variable VSAM file X(2) Y(10) occurs X times Z(02) Say for the first record X=2 then the length of the file is 2+(10*3)+2=34 second record, x=4 then 4+(10*4)+2=46 If any time if the field x is updated then the total length changes. Is it feasible? Is it

2 Answers  

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Do all versions of the GDG have to be of the same record length ?

3 Answers   IBM, iNautix,

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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 ?

4 Answers   Patni,

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what is control interval(CI) and control Area(CA)

4 Answers   EDS,

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explain how many ways you can load data in a vsam cluster?

0 Answers   IBM,

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Yes. Because the alternate key would first locate the primary key, which in turn locates the actual record. Needs twice the number of I/Os.

0 Answers  

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