Re: Checking if more than 0 rows exist.

Thanks for the help everyone I'll try a few of your suggestions and see what works best!

Thanks Again...
Eric

"abc" <abc_at_hotmail.com> wrote in message news:427fbed2$0$45822$39cecf19_at_news.twtelecom.net...
> All,
>
> Kind of a new person here and this may be a stupid question but.
>
> We have a table with 20 columns and many millions of records. I need to
> check if the combination of 5 of those columns exists anywhere in the
> table.
> It does not matter how many times it exists in the table but only if the
> combination exists in the table.
>
> Select count(*) from combo_table where all fields match would count them
> all but all I really need to know is if any exist (>0 rows).
>
> The fields are indexed so what I am wondering is what is the most
> efficient way to check that criteria? Any suggestions?
>
> Thanks in advance
> Eric
>
Received on Tue May 10 2005 - 12:15:24 CDT