How do you define a GDG ?
Answer / guest
Use the DEFINE GENERATIONDATAGROUP command. In the same
IDCAMS step, another dataset must be defined whose DCB
parameters are used when new generations of the GDG are
created. This dataset is known as the model dataset. The ds
name of this model dataset must be the same as that of the
GDG, so use a disp of keep rather than catlg and also
specify space=(trk,
| Is This Answer Correct ? | 2 Yes | 1 No |
what is the meaning of each of the values in shareopts(2 3)?
Can we copy a sequential file to a VSAM file ? If yes, What will happen of the size of the sequential file is bigger than that of the VSAM file?
Syntax of AMS modal commands ?
What is a lds (linear data set)?
How vsam datasets are cataloged?
what do you mean by the cobol record key clause in vsam?
Describe the uses of ams?
Suppose 3 generations of a GDG exist. How would you reference the 1st generation in the JCL?
explain in brief why do vsam take more disk space than other utilities?
Can AMS commands be run from the TSO prompt ?
Explain the catalog?
what are the different types of vsam files available? Explain them