ng an index scan.
        The default is 0.005.
       </P
></DD
><DT
><A
NAME="GUC-CPU-OPERATOR-COST"
></A
><TT
CLASS="VARNAME"
>cpu_operator_cost</TT
> (<TT
CLASS="TYPE"
>floating point</TT
>)</DT
><DD
><P
>        Sets the planner's estimate of the cost of processing each
        operator or function executed during a query.
        The default is 0.0025.
       </P
></DD
><DT
><A
NAME="GUC-EFFECTIVE-CACHE-SIZE"
></A
><TT
CLASS="VARNAME"
>effective_cache_size</TT
> (<TT
CLASS="TYPE"
>integer</TT
>)</DT
>