Re: Download directly to a Access db file

[Jim Langston <jlangston@xxxxxxxxxxxxxxxx>]

Just a heads up, quite a while back we were converting data between a McDonald 
Douglas
pic system and an AS/400 using ODBC.  We would load the data onto a PC and 
clean it up,
then use ODBC to copy it to the AS/400.  Everything seemed fine and we did this 
for a while,
while developing applications for the AS/400, everthing in ttest mode, of 
course.

One day a co-worker came to me and said her data didn't seem "right".  I looked 
at the data
on the PC and the data on the AS/400 and saw that ODBC had done something 
horrible, it
had somehow shifted data.  The co-worker had chosen a key for the records, as I 
understand
was required at that time for ODBC, of about half the record length.  For some 
reason when
the data was on the AS/400 the key fields did not have the same data for the 
rest of the record
from about 1/2 way down the file.  That is, data was missing but it was not 
entire records that
were missing, but data from the next record was shifted up to be apart of the 
record before it.
Total garbage at this point.

We started poking around all the other files we had been transfering, and sure 
enough, just about
every file had this type of garbage.  We wiped out all our data bases and 
started looking for other
ways to bring the data to the AS/400.

So, just be very, very careful that you double and triple check your data after 
doing transfers
with ODBC.

Regards,

Jim Langston

Joep Beckeringh wrote:

> Mike,
>
> Access stores all its data in one .mdb file, in a way that is presumably
> only known by Microsoft.  FTP-ing straight into this file is asking for
> trouble.  What you have to do is either export from the AS/400 in a format
> that Access can import, or use ODBC, so Access can get at the AS/400 data
> itself.
>
> Joep Beckeringh
>

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