Re: Using SQL for File Record Comparison

["Michael Ryan" <michaelrtr@xxxxxxxxx>]

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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