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JCL : Temporary Dataset

 
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raghav08
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PostPosted: Tue Sep 07, 2010 1:31 pm    Post subject: JCL : Temporary Dataset
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Hello.

What's the difference between below two JCL statements for PASS disposition.

//DD01 DD DSN=&&TEMP,DISP=(NEW,PASS)

AND

//DD01 DD DSN=DEV01.TEST.FILE,DISP=(NEW,PASS)

1) First statement will create SYSJuliandate.XXX dataset & it deleted at the end of job

2) Second statement also creates dataset DEV01.TEST.FILE & it also deleted at the end of job

Then what's advantage of statement-1 over statement-2.

Thanks.
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PeterHolland

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PostPosted: Tue Sep 07, 2010 1:43 pm    Post subject:
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&&TEMP generates a unique datasetname.
In the second case, if the system decides to choose a volume containing
the named dataset, you will get duplicate dataset name errors.
Or if the named dataset is catalogued.
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raghav08
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PostPosted: Tue Sep 07, 2010 1:51 pm    Post subject:
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Thanks for your information.
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nevilh

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PostPosted: Tue Sep 07, 2010 6:11 pm    Post subject:
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If we are going to be extremely petty
Quote:
&&TEMP generates a unique datasetname.
This is only true as of z/OS 1.12
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santy
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PostPosted: Wed Sep 15, 2010 1:16 pm    Post subject: Reply to: JCL : Temporary Dataset
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is there any other difference between them??
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Anuj Dhawan

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PostPosted: Wed Sep 15, 2010 4:12 pm    Post subject: Re: Reply to: JCL : Temporary Dataset
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santy wrote:
is there any other difference between them??
pardon my ignorance but difference between what?
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