Re: [SQL] Query Problem

[Josh Berkus]

Michael,

> SELECT Data
> FROM Table A
> WHERE NOT EXISTS (
>     SELECT * FROM Table_B, Table_C
>     WHERE Table_B.GroupID = TableC.GroupID
>     AND TableC.AccountID = 11
> )
> 
> I think that the not exists is a bit quicker than the NOT IN.  Give it
> a whirl.

A *lot* faster.  Like, 7x as fast. I'd forgotten about EXISTS, since I
so seldom have a use for it ... but this is shy it was created, I guess.

Thanks so much for your help!

                                        -Josh Berkus
-- 
______AGLIO DATABASE SOLUTIONS___________________________
                                        Josh Berkus
   Complete information technology      [EMAIL PROTECTED]
    and data management solutions       (415) 436-9166
   for law firms, small businesses       fax  436-0137
    and non-profit organizations.       pager 338-4078
                                        San Francisco