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Re: Logical StandBy question

From: Rachel Carmichael <wisernet100_at_yahoo.com>
Date: Wed, 12 Nov 2003 08:59:35 -0800
Message-ID: <F001.005D66FB.20031112085935@fatcity.com>


took me exactly two clicks to find the following:

Oracle9i Release 2 (9.2) New Features in Data Guard

The features and enhancements described in this section were added to Data Guard in Oracle9i release 2 (9.2).

      Until now, there has been only the physical standby database implementation, in which the standby database can be in either recovery mode or in read-only mode. A physical standby database is physically equivalent to the primary database, and, while the database is applying logs it cannot be opened for reporting and vice versa. A logical standby database has the same logical schema as the primary database but may have different physical objects, such as additional indexes. With logical standby databases, you can have the database available for reporting and applying the logs to the standby log at the same time.


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Received on Wed Nov 12 2003 - 10:59:35 CST

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