Re: conditional insert

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От Achilleas Mantzios
Тема Re: conditional insert
Дата
Msg-id 201109051245.13591.achill@matrix.gatewaynet.com
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Ответ на conditional insert  (Pau Marc Muñoz Torres <paumarc@gmail.com>)
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Στις Monday 05 September 2011 12:38:34 ο/η Pau Marc Muñoz Torres έγραψε:
> Hi follk
>
>  i trying  to performe a  conditional insert into a table, indeed, what i'm
> trying to do is not insert a record into the table if that record exist
>

thats why primary/unique keys are for.

isolate the columns which you consider to be a correct unique key
and create a unique key on them.

thereis no notion of conditional insert that i know of.

> googleling i found something like
>
>  insert into XX values (1,2,3) where not exist (select ....);
>
> but i'm having and error near where...
>
> anyone knows how do i can perfome this insert?
>
> thanks
>
> p
>



--
Achilleas Mantzios

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