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Insert only if not found - Mailing list pgsql-sql

From Shavonne Marietta Wijesinghe
Subject Insert only if not found
Date
Msg-id 005b01c7775d$c4fa4b70$1102a8c0@dream
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Responses Re: Insert only if not found  ("A. Kretschmer" <andreas.kretschmer@schollglas.com>)
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Hello everyone..
 
Here is the result of my Insert. and also the insert works ok.
 
INSERT INTO MOD48_02 (ID, TE_INDI, TE_COGNOME, TE_NOME, TE_SESSO, TE_ATTNASC, TE_LUONASC, TE_DTNASC, TE_PROVSTATO, TE_PROV, TE_PATERNITA, TE_RICHIESTA, USERNAME, DATE_INSERTED, TIME_INSERTED) VALUES ('127001200745101033', 'england', 'bloom', 'orlando', 'M', 'ww', 'florida', '05/06/1984', 'america', 'UK', 'xx', 'no', 'demo', '05/04/2007', '10.10.33');
But before i insert this record i want to check if the it hasn't been inserted before. I want to use the following fields as the riefferent. TE_COGNOME, TE_NOME, TE_SESSO, TE_DTNASC
 
And if there is no record to match those 4 fields i want to insert it else just a message saying that the record has been inserted b4.
 
any idea to start with?
 
Shavonne Wijesinghe

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