Re: sum(bool)?

Or how about just:

SELECT count(*) FROM tablename WHERE a > b;

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Andrew J Perrin - Ph.D. Candidate, UC Berkeley, Dept. of Sociology
Chapel Hill, North Carolina, USA - http://demog.berkeley.edu/~aperrin
aperrin(at)socrates(dot)berkeley(dot)edu - aperrin(at)igc(dot)apc(dot)org
On Fri, 23 Feb 2001, Daniel Wickstrom wrote:

> >>>>> "Olaf" == Olaf Zanger <olaf(dot)zanger(at)soli-con(dot)com> writes:
>
> Olaf> hi there i'd like to add up the "true" values of a
> Olaf> comparison like
>
> Olaf> sum(a>b)
>
> Olaf> it just doesn't work like this
>
> Olaf> any workaround
>
> Try using a case statement:
>
> select sum(case when a > b then 1 else 0 end) ....
>
>
> -Dan
>