Re: [Non-DoD Source] Re: time stamps with Data Guard

  • From: Andrew Kerber <andrew.kerber@xxxxxxxxx>
  • To: "Terrian, Thomas J DLA CTR INFORMATION OPERATIONS" <Tom.Terrian.ctr@xxxxxxx>
  • Date: Fri, 18 Dec 2015 08:15:13 -0600

If you set the time zone of the standby server at the os level to match the
time zone of the primary server at the os level, then there wont be a
problem. Also, check the exact data type you are storing. If you are
storing time stamp with time zone, you dont have a problem to begin with.

On Fri, Dec 18, 2015 at 7:15 AM, Terrian, Thomas J DLA CTR INFORMATION
OPERATIONS <Tom.Terrian.ctr@xxxxxxx> wrote:

So, if I change the time zone of the standby, then (when we switchover) if
we look at sysdate if won't be the same as the O/S time? Oracle will
convert it over to whichever time zone I set it to?

-----Original Message-----
From: Andrew Kerber [mailto:andrew.kerber@xxxxxxxxx]
Sent: Friday, December 18, 2015 8:06 AM
To: Terrian, Thomas J DLA CTR INFORMATION OPERATIONS
Cc: oracle-l@xxxxxxxxxxxxx
Subject: [Non-DoD Source] Re: time stamps with Data Guard

You can set the time zone of the standby server to match the primary.

Sent from my iPhone

On Dec 18, 2015, at 6:29 AM, Terrian, Thomas J DLA CTR INFORMATION
OPERATIONS <Tom.Terrian.ctr@xxxxxxx> wrote:

We have a primary database in one time zone and a Data Guard copy in
another time zone. I know just about nothing about nls parameters, time
zones, etc. If we switch over to the stand-by copy its timestamp will be
off by many hours (records will get inserted based on the local time).
When we switch back any sorting on the timestamp fields will be out of
order. Is there a parameter I can set at the database level to keep the
timestamps in order when we switch back and forth?



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Andrew W. Kerber

'If at first you dont succeed, dont take up skydiving.'

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