>>

select TOP 1000 unemp_ins_pct from payroll_tbl ;
>>	where unemp_ins_pct # 0 ;
>>	into array a__gen40 ;
>>	order by payroll_tbl.id DESC

>
>I propose an additional action to undo the effect of DESC:

index on payroll_tbl.id tag primary

Peter,

I don't think it would have any effect on the result.