ble_seqscan</TT
> (<TT
CLASS="TYPE"
>boolean</TT
>)</DT
><DD
><P
>        Enables or disables the query planner's use of sequential scan
        plan types. It is impossible to suppress sequential scans
        entirely, but turning this variable off discourages the planner
        from using one if there are other methods available. The
        default is <TT
CLASS="LITERAL"
>on</TT
>.
       </P
></DD
><DT
><A
NAME="GUC-ENABLE-SORT"
></A
><TT
CLASS="VARNAME"
>enable_sort</TT
> (<TT
CLASS="TYPE"
>boolean</