Alain Roger wrote:
> hi,
>
> i would like to know how can i control the returned value from a SQL
> statement ?
>
You've left out some pretty significant information, like what method
you're using to access PostgreSQL.
ODBC from C/C++/whatever?
PHP?
Perl DBD?
Python DBI?
The .net interfaces?
Java / JDBC ?
Java with an ORM layer ?
PL/PgSQL stored proceures executed by `psql' ?
...
--
Craig Ringer