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Can we do a START on empty VSAM?

 
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Prasanna SR

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Joined: 13 Jul 2010
Posts: 6
Location: Mexico City

PostPosted: Fri Oct 15, 2010 2:42 am    Post subject: Can we do a START on empty VSAM?
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Hi,

Can we do a START <filename> KEY IS GREATER THAN <file key> on an empty VSAM file?

Thanks.
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Robert Sample

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Joined: 06 Jun 2008
Posts: 7993
Location: Bellevue, IA

PostPosted: Fri Oct 15, 2010 3:10 am    Post subject:
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That depends upon what you are calling "an empty VSAM file". If, by "empty", you mean a VSAM file that had at least one record but there are no records in the file presently -- yes, you can do a START on this file. If, by "empty", you mean a VSAM file that has never had any records in it -- no, you cannot do a START on this file. If by "VSAM file" you are referring to an ESDS file, then the answer is no you cannot do a START on it -- ever.

Terminology is critical in IT, where similar terms can mean very different things. You need to consider your terminology before posting a question since, as in this case, the answer often depends upon your precise meaning.
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