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Oracle data- Calendar display

Posted on 2013-12-12
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Last Modified: 2013-12-17
I know flow01 had helped me earlier with this query

with s1
as
(select to_date('01-mar-2014','dd/mm/yyyy') startdate from dual)
,
t
as
(
select case to_char(startdate,'d')
       when '1' then startdate  -- if sunday than no shift needed
       else
        trunc(startdate,'day')
       end
       + (level - 1) h_date
        -- trunc 'day' returns the first day of the week : monday
        -- subtract 1 to get the sunday of that week
        -- add (level  - 1) to start from that sunday itself = level 1
      from s1
      connect by level <= 37  -- leafs 1 empty week when a regular february starts on sunday
)
SELECT to_char(t.h_date,'dd') day_of_month, to_char(t.h_date,'Dy') day_of_week , au, tp, both, tot, lcm,current_month_first_day
   from print_calendar a, t, s1
   where a.current_month_first_day(+) = t.h_date
   and t.h_date < add_months(startdate,1)  --  end with the last day of the month
order by t.h_date

My data has 3 months worth of data. Is there a possibility to get three months worth of data in this calendar?
data.txt
0
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Question by:anumoses
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2 Comments
 
LVL 77

Accepted Solution

by:
slightwv (䄆 Netminder) earned 250 total points
ID: 39714556
I'm thinking it should just be two tweaks.

First one makes sure the connect by level returns more than enough rows to cover any 3 months.

The next, change add_months to the correct number of months.

with s1
as
(select to_date('01-mar-2014','dd/mm/yyyy') startdate from dual)
,
t
as
(
select case to_char(startdate,'d')
       when '1' then startdate
       else
        trunc(startdate,'day')
       end
       + (level - 1) h_date
      from s1
      connect by level <= 999
)
SELECT to_char(t.h_date,'dd') day_of_month, to_char(t.h_date,'Dy') day_of_week , au, tp, both, tot, lcm,current_month_first_day
   from tab_data a, t, s1
   where a.current_month_first_day(+) = t.h_date
   and t.h_date < add_months(startdate,3)
order by t.h_date
/

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LVL 6

Author Closing Comment

by:anumoses
ID: 39724693
thanks
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