Randy,
> I'm not sure about 20 times longer but you would have index records
> that
> would need to be changed. Is field_3 indexed in all 3 tables? If
> table_b
> does not have an index on field_3 and the other tables do, I'd guess
> that
> would make this take longer too.
Yeah, they're indexed. I'm going to try the updates without the index
on field_2 tonight.
-Josh Berkus