Internal functions(?)

Hi,

We use some functions in SQL (or , lets say in psql), i.e.
    SELECT current_date() ;
    SELECT version();

Is there a full list of these functions on web?

Regards, and best wishes,

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Devrim GÜNDÜZ

devrim@oper.metu.edu.tr
devrim.gunduz@linux.org.tr
devrimg@tr.net

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