Take a look at REPLACE:
http://www.mysql.com/doc/R/E/REPLACE.html

On Fri, 2002-07-26 at 10:17, Corey Wallis wrote:
> Peoples,
> 
> I'm currently trying to work out if this is possible by SQL. I have the need
> to use SQL and only SQL to achieve the following.
> 
> If a record exists and meets a certain criteria (i.e. field X = '1234') then
> update the record. If the record doesn't exist then insert it.
> 
> For reasons too complex to go into at this stage using anything except SQL
> is not possible.
> 
> Any and all suggestions welcome.
> 
> -Corey

-- 
Diana Soares


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