[dba-VB] Merge rows

 > Do you NOT overwrite existing data.
 > Or DO you ?

You do.  Basically if there are conflicts there is no way to discover which is the right answer, and 
we are using the records to decide marketing stuff.  You can't have two answers in the end anyway. 
In the end I "dedupe" (at the last step) to get rid of duplicates so ... it would be a one time 
dedupe or dedupe every time you use the data.

John W. Colby
www.ColbyConsulting.com


Max Wanadoo wrote:
> Are you saying that the FIRST JohnColby record you encounter is therefore
> the MASTER and the rest JohnColby record's data gets to update the MASTER?
> 
> So, 
> Rec 1. John Colby likes Fish (at the time he might have liked fish)
> Rec 2. John Colby does not like fish (might have been asked some time later,
> after a bad meal)
> 
> Which takes precedence?
> 
> Do you NOT overwrite existing data.
> Or DO you ?
> 
> Max