Re: Oracle 11.2.0.3 timediff function
- From: Mladen Gogala <gogala.mladen@xxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Sun, 14 Feb 2016 21:58:17 -0500
On 02/14/2016 01:25 PM, MJ Chicago wrote:
Hello Oracle-L
Is anyone familiar if Oracle has a timediff function to calculate
difference in time (seconds/milliseconds/etc) in 11.2.0.3?
I am not sure about 11.2.0.3, I discarded that version last summer, but
12c has no problems with timestamp arithmetic:
mgogala@umajor:~$ sqlplus scott/tiger@local
SQL*Plus: Release 12.1.0.2.0 Production on Sun Feb 14 21:50:49 2016
Copyright (c) 1982, 2014, Oracle. All rights reserved.
Last Successful login time: Sun Feb 14 2016 21:49:48 -05:00
Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning, OLAP, Advanced Analytics and Real Application
Testing options
SQL> select systimestamp - trunc(systimestamp) from dual;
SYSTIMESTAMP-TRUNC(SYSTIMESTAMP)
---------------------------------------------------------------------------
+000000000 21:51:16.526463
Elapsed: 00:00:00.00
SQL> ed
Wrote file afiedt.buf
1* select extract(second from systimestamp - trunc(systimestamp))
from dual
SQL> /
EXTRACT(SECONDFROMSYSTIMESTAMP-TRUNC(SYSTIMESTAMP))
---------------------------------------------------
20.757614
Elapsed: 00:00:00.00
SQL> select extract(hour from systimestamp - trunc(systimestamp)) from dual;
EXTRACT(HOURFROMSYSTIMESTAMP-TRUNC(SYSTIMESTAMP))
-------------------------------------------------
21
Elapsed: 00:00:00.00
All it takes to do time stamp difference is "-".
Regards
--
Mladen Gogala
Oracle DBA
Tel: (347) 321-1217
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