tween server
     and client </P
></LI
><LI
><P
> Multiple rounds of query
     parsing can be avoided </P
></LI
></UL
><P
> This can result in a considerable performance increase as
    compared to an application that does not use stored functions.
    </P
><P
>     Also, with <SPAN
CLASS="APPLICATION"
>PL/pgSQL</SPAN
> you can use all
     the data types, operators and functions of SQL.
    </P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="PLPGSQL-ARGS-RESULTS"
>40.1.2. Supported Argument and Re