je suppose que dream te fait développer en PHP.
donc, je te conseille un petit tour dans la section postgresql de php pour avoir toutes les infos 
(copier/coller :
Connexion :
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$dbconn = pg_connect("dbname=mary");
//connect to a database named "mary"
$dbconn2 = pg_connect("host=localhost port=5432 dbname=mary");
// connect to a database named "mary" on "localhost" at port "5432"
$dbconn3 = pg_connect("host=sheep port=5432 dbname=mary user=lamb password=foo");
//connect to a database named "mary" on the host "sheep" with a username and password
$conn_string = "host=sheep port=5432 dbname=test user=lamb password=bar";
$dbconn4 = pg_connect($conn_string);
//connect to a database named "test" on the host "sheep" with a username and password |
Requete :
$query = pg_query('select * from table');
reponse :
$array = pg_fetch_array($query);
)
Mais tout cela a sa place en section PHP
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