Count days per month

Question

dear members,
I have been provided with the date range.
i want to calculate the no. of days for each month, within the above date range.
e.g. date1='10-01-2011' and date2='18-03-2011'
for month=01 count days=22
for month=02 count days=28
for month=03 count days=18
thanks
teefu
developer

Answer 1

WITH     parameters     AS
     SELECT     TO_DATE ( '10-01-2011'
               , 'DD-MM-YYYY'
               )     AS start_dt
     ,     TO_DATE ( '18-03-2011'
               , 'DD-MM-YYYY'
               )     AS end_dt
     FROM     dual
SELECT     TO_CHAR ( start_dt + LEVEL - 1
          , 'FMMonth YYYY'
          )     AS month
,     COUNT (*)     AS days
FROM     parameters
CONNECT BY     LEVEL <= 1 + end_dt - start_dt
GROUP BY TO_CHAR ( start_dt + LEVEL - 1
          , 'FMMonth YYYY'
ORDER BY MIN (LEVEL)
duplicate thread already one has given the above answer
count days of the month
Edited by: LPS on Jul 21, 2011 2:16 AM