Sql ---sum of Date-time format ......
XandotFeb 20 2013 — edited Feb 22 2013id time
1 1.20
2 2.30
3 4.20
4 5.30
5 1.00
result expected = 14:40 or (if AM/PM so result is ???)
how can i calculate the sum of time ???
please give me some fast tricks of handling date/time format in oracle....