On Mon, Jan 5, 2009 at 12:32 PM, Me wrote:
>
> I have a table of data that I update with a file. I would like to
> delete all data that does not get updated.
We've done stuff like this before. One pattern that we used was:
1) At the beginning of the import process, we'd set a unique value
(lik
How are you checking to see if the row was updated or not? By the
updated_at timestamp, or something else?
I'm not sure if you're asking for help coming up with a way to determine
whether or not a row should be deleted, or just how to delete it.
The how to delete is simple enough, I guess. Jus
On Jan 5, 2:15 pm, Me wrote:
> Is there an easy way to delete all rows not updated when done updating
> a db?
What in the world do you mean?
Hard to answer a question without any details or context to what
you're doing. :-)
Jeff
purpleworkshops.com
--~--~-~--~~~---~
I have a table of data that I update with a file. I would like to
delete all data that does not get updated.
On Jan 5, 2:28 pm, Jeff wrote:
> On Jan 5, 2:15 pm, Me wrote:
>
> > Is there an easy way to delete all rows not updated when done updating
> > a db?
>
> What in the world do you mean?
>
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