create an uniq index on the columns,
# create unique index index_name on table (col1,col2,col3,...)
hope it helps.
regds
mallah
On Monday 08 July 2002 06:48, Joachim Trinkwitz wrote:
> Hi,
>
> I want to insert a row only under condition that there isn't already
> another row with similar values -- something like a INSERT INTO
> ... WHERE NOT EXISTS (SELECT ...)?
>
> Hoping for help,
> joachim
>
>
>
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