RE: Data Guard to Logical Standby
- From: "April Sims" <sims@xxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 01 May 2008 13:38:06 -0600
Comments within.
April Sims
SELECT IOUG Contributing Editor
http://aprilcsims.wordpress.com
OCP 8i, 9i, 10g DBA
Southern Utah University
sims@xxxxxxx
940-484-4276
>>> "April Wells" <awells@xxxxxxxxxxxx> 5/1/2008 2:25 PM >>>
Okay... I'll buy that.
However...
On the logical standby, can I create users that are not in the primary
database? I'm trying to multi-purpose this database rather than "just"
being a transformation database between solaris source and linux
destination by keeping historical data and giving us an alternative
place to run some batch reporting. But I don't want to rely on the fact
that the data and structures are all representative of the up stream
primary.
*****The trick to guard only the tables that are coming from the primary
database.
That is done with the command-
alter database guard standby;
Then you can create tablespaces, users,materialized views,indexes etc specific
to the logical standby which are not on the primary.
Or am I stuck with "just" having the ability to structure the whole
database as if it were the primary?
April
________________________________
From: Howard Latham [mailto:howard.latham@xxxxxxxxx]
Sent: Thursday, May 01, 2008 2:09 PM
To: April Wells
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: Data Guard to Logical Standby
AFAIK
All it does is ship the logs from one db (target) to another (standby)
You cant filter anything.
2008/5/1 April Wells <awells@xxxxxxxxxxxx>:
We are trying to create a logical standby database (solaris) using data
guard so we can use downstream data capture to populate a reporting
database (Linux) for historical reporting.
Any chance anyone has done this and can give me some pointers on what
I'm probably going to do wrong?
Can I set rules up stream on the source database on what tables I don't
want to have included in the data guard log apply or will it just apply
everything? I'm trying to tough my way through the documentation, and
am stuck at the "uniquely identify rows" part. It seems that EVERYONE
on the source system has a plan table and that doesn't have a primary
key. Do I care? Will it complain?
Should I create a primary key rely disabled on ALL of those plan tables?
Thanks for any advice
April
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Howard A. Latham
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