On Sat, 2007-09-15 at 12:40 +0500, rihad wrote:
> How can I efficiently return the minimum/maximum of two given 
> expressions? Like SELECT MYMIN(a+b-c,d+e*f).
> 

SELECT LEAST(a+b-c,d+e*f);
SELECT GREATEST(a+b-c,d+e*f);

Regards,
        Jeff Davis


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