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 do you mean by idcams? Explain its purpose?
How do you load a VSAM data set with records ?
What is RECOVERY and SPEED parameters in DEFINE CLUSTER command?
in what type of vsam datasets can an alternate index be defined??
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?
What is the difference between lds and esds?
Define gdg?
what is meant by dirty read in vsam?
can we create vsam files on multiple volumes ?
Explain the process in which flat files are converted into vsam files?
What are the steps involved in access method services?
By looking into the Jcl can we identify the dataset is VSAM?
5 Answers Cognizant, Keane India Ltd,