Re: Using SQL for File Record Comparison

Yes...and no. If they exist in both, I need to know if the fields
don't match. But...I guess I want to know if they exist in one and not
the other...if not for this app, for another.

On 3/7/07, Peter Dow (ML) <maillist@xxxxxxxxxxxxxxx> wrote:

Hi Michael,

What about records that are in one file but not in the other?  Do they
matter?

*Peter Dow* /
Dow Software Services, Inc.
909 793-9050
pdow@xxxxxxxxxxxxxxx <mailto:pdow@xxxxxxxxxxxxxxx> /

Michael Ryan wrote:
> Does this make sense? Is there a better way? I'm trying to find out if
> two files are the same. Here's my SQL statement:
>
> SELECT count(*) FROM firstlib/mhrdclp a, secondlib/mhrdclp b where
> a.mdvnda = b.mdvnda and a.mdmdl = b.mdmdl and (a.mddual <> b.mddual
> or a.MDCMFRT <> b.MDCMFRT or a.MDLP <> b.MDLP or a.MDSF <> b.MDSF)
>
> File MHRDCLP has the following fields:
> mdvnda
> mdmdl
> mddual
> mdcmfrt
> mdlp
> mdsf
>
> I want to see if I have any records that match mdvnda and mdmdl have
> any of the other four fields different.
>
> Thanks!
>

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