Date function to pull back dates of the year?

Question

is there a built in function for returning all dates (whatever format) between to dates ?
Example:
Select functionname('2009/06/01', 'yyyy/mm/dd), ('2009/06/05', 'yyyy/mm/dd')
from dual
Wanted results
2009/06/02
2009/06/03
2009/06/04

Answer 1

Hi,
user11210446 wrote:
Here is what I'm trying to do,
There is a start date and an end date. I have US holidays for current year in a table so for example christmas 12/25/2009
I want to show dates between the start date and end date, and if there is a holiday on that date it will not show.
make sense
so if a user puts 12/23/2009 for start and 12/29/2009
it would show
12/24/2009
12/26/2009
12/27/2009
12/28/2009Yes, that's very clear.
I would actually do that with a NOT IN sub-query
SELECT  TO_DATE ('&start_date', 'MM/DD/YYYY') + LEVEL - 1
FROM     dual
WHERE   TO_DATE ('&start_date', 'MM/DD/YYYY') + LEVEL - 1 NOT IN
        SELECT  appropriate_column
        FROM    holiday
CONNECT BY LEVEL <= 1 + (TO_DATE ('&end_date', 'MM/DD/YYYY') - TO_DATE ('&start_date', 'MM/DD/YYYY'));where &start_date and &end_date are substitution variables in MM/DD/YYYY format. You could use bind variables just as well.
This assumes the DATEs in holdiay are all midnight. If not, use TRUNC (appropriate_column).
Edited by: Frank Kulash on Jun 4, 2009 12:59 PM
There's nothing like clicking that "Save" button to give you better ideas!
MINUS is a little simpler than NOT IN:
SELECT  TO_DATE ('&start_date', 'MM/DD/YYYY') + LEVEL - 1
FROM     dual
CONNECT BY LEVEL <= 1 + (TO_DATE ('&end_date', 'MM/DD/YYYY') - TO_DATE ('&start_date', 'MM/DD/YYYY'));
MINUS
SELECT  appropriate_column     -- or TRUNC (appropriate_column)
FROM    holiday
ORDER BY 1;