Display the duration in hours and Minutes

DB version: 11.2.0.4

We must find the time by finding the difference between END_TIME of START_TIME in the following table.

I have a requirement in which, if the duration is more than 60 minutes, and then view it in hours: Minutes

Results below. Is it possible that I can do this?

create the table event_timings

(

event_name VARCHAR2 (3),

date of the value of start_Time,

end_time date

);

insert into event_timings values ('A', to_date (July 16, 2014 09:15 ',' dd-mm-yyyy hh24 '), to_date (July 16, 2014 09:47 ',' dd-mm-yyyy hh24 '));

insert into event_timings values ('B', to_date (July 16, 2014 11:15 ',' dd-mm-yyyy hh24 '), to_date (July 16, 2014 12:35 ',' dd-mm-yyyy hh24 '));

insert into event_timings values ('C', to_date (July 16, 2014 08:15 ',' dd-mm-yyyy hh24 '), to_date (July 17, 2014 11:30 ',' mm-dd-yyyy hh24 '));

ALTER session set nls_Date_format = "dd-mm-yyyy hh24."

SQL > select * from event_timings;

END_TIME-START_TIME EVE

--- ---------------- ----------------

A 16/07/2014 09:15 16/07/2014 09:47

B 16/07/2014 11:15 16/07/2014 12:35

C 16/07/2014 08:15 17/07/2014 11:30

Expected results:

Duration of the event

-----      --------

A 32-minute

B 1 hour 20 minutes

C 27 h 15 Minutes

Hi James,

With the traditional way of "old":

SELECT

event_name,

CASE

WHEN h > 1

THEN TRUNC (h) | 'Hours ' | Round ((h-trunc (h)) * 60) | "' Minutes

ON THE OTHER

Round (h * 60) | "' Minutes

END

FROM (SELECT event_name, (24 *(end_time-start_time)) event_timings h)

;

Tags: Database

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