On 25/03/2015 14:30, ginkgo36 wrote:
> @Gary
> I'm working on big data, because of the demands of the job so I
> export/import/update data on this table every day.
>
> I guess it's possible that each query would need all 417 columns but it
> seems unlikely... --> Yes, not at all but 2/3 of 417 columns :)
>
> I need gather data into one table for consistency and easy for export and
> import, it's ok if I split data to smaller tables, but when
> export/import/update, i must excute query on alot of table. And this way
> lead data to inconsistency if I forget update/export/import on 1 or more
> table. It is terrible.
You could create a view specifically for export, which would gather
together data from all the tables.
Ray.
--
Raymond O'Donnell :: Galway :: Ireland
rod@iol.ie