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How temporary dataset differs from create a ds without DISP

 
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sureshmurali
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Joined: 25 Nov 2010
Posts: 70
Location: Sivakasi, India

PostPosted: Thu Dec 30, 2010 11:37 pm    Post subject: How temporary dataset differs from create a ds without DISP
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In this link

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/IEA1B640/12.19.3?SHELF=&DT=20000718114500&CASE=

I am seeing the last statement as :


If you omit the DISP parameter, the default is a NEW data set with a disposition of DELETE for both normal and abnormal termination disposition. Thus, you can omit the DISP parameter for a data set that is created and deleted during a step.

How it will help us in which this dataset has the lifetime only at a particular step?

How it differ from a temporary data set that will be deleted after the job
ends?

Please clarify

Thanks in advance
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Robert Sample

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Joined: 06 Jun 2008
Posts: 7932
Location: Bellevue, IA

PostPosted: Thu Dec 30, 2010 11:56 pm    Post subject:
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A temporary data set can be referenced in subsequent job steps, which is often helpful. DISP=(NEW,DELETE,DELETE) means the data set cannot be used outside the one job step.
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dick scherrer

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Joined: 23 Nov 2006
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Location: Inside the Matrix

PostPosted: Fri Dec 31, 2010 12:30 am    Post subject:
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Hello,

Quote:
How it will help us in which this dataset has the lifetime only at a particular step?

Consider this a "work file" for use only by the particular step. Often used when there is too much data to load into an array within the program.
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