Diff between two date

Question

i hv two date type data along with time lets say
p1 '21-jan-2001 12:43:05'
p2 '22-jan-2001 13:33:10'
i want diff between two dates p1-p2 will give only the number of days in between but i want even the time also
for ex in the above ex the diff etween two days is 1 day 1hr bla bla.......

Answer 1

Check that link... it will offer you a few alternatives:
http://www.orafaq.com/faq/how_does_one_get_the_time_difference_between_two_date_columns
HTH,
Thierry
with dates as (
select to_date('22-jan-2001 13:33:10', 'DD-MON-YYYY HH24:MI:SS') as date1,
to_date('21-jan-2001 12:43:05', 'DD-MON-YYYY HH24:MI:SS') as date2 from dual)
SELECT floor(((date1-date2)*24*60*60)/3600)
            || ' HOURS ' ||
            floor((((date1-date2)*24*60*60) -
            floor(((date1-date2)*24*60*60)/3600)*3600)/60)
            || ' MINUTES ' ||
            round((((date1-date2)*24*60*60) -
            floor(((date1-date2)*24*60*60)/3600)*3600 -
            (floor((((date1-date2)*24*60*60) -
            floor(((date1-date2)*24*60*60)/3600)*3600)/60)*60) ))
            || ' SECS ' time_difference
FROM dates;
24 HOURS 50 MINUTES 5 SECS Edited by: Thierry H. on Mar 3, 2011 5:51 PM