[Babase] Dupe Cenids in DEMOG

Karl O. Pinc babase@www.eco.princeton.edu
Thu, 25 Aug 2005 18:28:14 +0000


On 08/25/2005 11:44:22 AM, Catherine Markham wrote:
> Karl O. Pinc wrote:
>> 
>> The update programs will use transactions, which you can use too.
>> http://www.postgresql.org/docs/7.4/static/tutorial-transactions.html
>> With transactions if you get one error then none of the changes
>> get made.  Then you fix the error and try all the changes again
>> in another transaction.
> 
> Yay - I get it!!  Thanks so much for all that explaining - I think it  
> finally makes sense!

If, for some reason, you _want_ a validation program I can always
use the update program and change the COMMIT at the end to
a ROLLBACK.

There will be a compare program so you can check for data input
errors.

Karl <kop@meme.com>
Free Software:  "You don't pay back, you pay forward."
                  -- Robert A. Heinlein