PL/SQL :: Find Duration By Subtracting Start And End Time?

Jun 25, 2013

Version: 11.2 I am not an SQL expert. I am trying to subtract the start time and end time and thereby find the difference between these two times. In the below example , the difference between start_time and end_time is around 52 minutes (6:15 PM to 7:07 PM)I tried some stuff to find the difference below. But it didn't work out .  

SQL> create table t (start_time date, end_time date); Table created. SQL> desc t Name Null?    Type ----------------------------------------------------------------- -------- --------------------- START_TIME  DATE END_TIME DATE SQL> insert into t values (to_date('24/JUN/2013 18:15:42', 'DD/MON/YYYY HH24:MI:SS'), to_date('24/JUN/2013 19:07:54','DD/MON/YYYY HH24:MI:SS')); 1 row created. SQL> commit; Commit complete. SQL>SQL>SQL> select * from t; START_TIME               END_TIME--------------------     --------------------24 Jun 2013 18:15:42    

[Code] .......

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[code].......

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[code]...

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[Code]...

--Required output

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[code]....

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[code]....

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[code]....

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