Answer / sowmya

while doing repro, if we use 'resuse' parameter ,the data
already stored in outputdataset will be logically deleted
and replaced by the data in inputdataset

Answer / shriram supalwar

A cluster can be used again and again
as a reusable cluster.
When u open the data set in output mode
all the existing records are logically deleted
- A cluster can't be reusable if
-- KEYRANGE parameter is coded
-- An Alternet index is built for it

Answer / sridhar

while compiling the program repeatedly the same data set
name can,t be used.So in order to use same name reuse
command is used.In each time we compile it makes dataname
as new file.

By looking into the Jcl can we identify the dataset is VSAM?

5 Answers   Cognizant, Keane India Ltd,

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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 are the information stored in ci?

0 Answers  

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what's the biggest disadvantage of using a VSAM dataset?

8 Answers   Anjana, CTS, DSRC, IBM,

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Is a delete operation possible in an ESDS?B. Is rewrite operation possible in ESDS ?

3 Answers  

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in what type of vsam datasets can an alternate index be defined??

4 Answers  

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If FSPC(100 10 is specified does it mean that both the control interval and control area will be left empty because 100 % of both CI and ca are specified to be empty?

1 Answers   DSRC,

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While designing vsam files,what is the best way to choose control interval size for the data and the index?

1 Answers  

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is it necessary that all versions of the gdg have to be of the same record length?

0 Answers   IBM,

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what are s0c1, s0c4, s0c5, s0c7 abends?

0 Answers   IBM,

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what do you mean by gdg in vsam?

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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