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Editorial Team
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Asked: 2026-05-28T04:38:31+00:00

I have two fields with timestamps type, time_in and time_out. For example: time_out =

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I have two fields with timestamps type, time_in and time_out.
For example:

time_out = 02-MAY-11 07.30.00.000000 PM and
time_in = 02-MAY-11 07.57.00.000000 AM

I want to get the different HOURS from that timestamps field.
How to do that,.?

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1 Answer

  1. Editorial Team

    Is this what you’re looking for? Extract also works on intervals (which is what a direct subtraction between two timestamps gives you).

    create table times (time_in timestamp, time_out timestamp);
insert into times values(to_timestamp('02-MAY-11 07.57.00.000000 AM'), to_timestamp('02-MAY-11 07.30.00.000000 PM'));
select extract(hour from(time_out-time_in))||':'||extract(minute from(time_out-time_in)) from times;

EXTRACT(HOURFROM(TIME_OUT-TIME_IN))||':'||EXTRACT(MINUTEFROM(TIME_OUT-TIME_IN))   
--------------------------------------------------------------------------------- 
11:33
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