Re: Vs: Function to calculate weekdays left in a month

Hi Steve,

You need to be careful with the 'D' if you're working in different NLS_TERRITORYs:

alter session set NLS_TERRITORY = 'AMERICA'; select to_char(to_date('02-Aug-2008','DD-Mon-YYYY'),'D') from dual;
--> 7

alter session set NLS_TERRITORY = 'NEW ZEALAND'; select to_char(to_date('02-Aug-2008','DD-Mon-YYYY'),'D') from dual;
--> 6

Cheers
Tony

PS A bit long winded, but this works in English:

   select sum(weekday) week_days, sum(weekend) weekend_days

      from (select case
                     when d in ('mon', 'tue', 'wed', 'thu', 'fri') then
                      1
                   end weekday,
                   case
                      when d in ('sat','sun') then
                      1
                   end weekend
              from (select to_char(sysdate + (level - 1), 'dy') d
                      from dual
                    connect by (level - 1) <= last_day(sysdate) - sysdate));

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