"
>UPDATE</TT
>, and <TT
CLASS="COMMAND"
>DELETE</TT
> commands,
    because the main SQL engine allows query parameters only in these
    commands.  To use a non-constant name or value in other statement
    types (generically called utility statements), you must construct
    the utility statement as a string and <TT
CLASS="COMMAND"
>EXECUTE</TT
> it.
   </P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="PLPGSQL-PLAN-CACHING"
>40.10.2. Plan Caching</A
></H2
><P
>    The <SPAN
CLASS="APPLICATION"
