Why is it required to have a keyed directed retrieval?

0 Answers  

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if you wish to use the rewrite command how must the vsam file be opened?

0 Answers   IBM,

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is it required that primary key values have to be unique? Do alternate key values have to be unique?

0 Answers   IBM,

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Do all versions of the GDG have to be of the same record length ? is it possible to ovverride the dcb of the model dataset?

2 Answers  

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Explain the index set?

0 Answers  

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Is CA(Control Area) is part of CI(Control Interval)

3 Answers  

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What is the VSAM-code field?

1 Answers  

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What is the utility program closely associated with VSAM?

1 Answers  

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what is the difference b/w sequential and ESDS

6 Answers   EDS, IBM, Maples,

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What is VERIFY command ? when do you use this command?? What actually it does ??

2 Answers   Xansa,

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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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Explain the device independent method to indicate where a record is stored?

0 Answers  

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