Oracle Data Guard: Difference between revisions

Revision as of 23:09, 29 August 2010

Revision as of 23:11, 29 August 2010

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== Disdvantages ==

Data Guard restricts cross-platform and Oracle Database versions must all be similar are limits to the functionality. Additinally, Data Guard is a costly option bundled within "Enterprise Edition" of the [[Oracle RDBMS]].<ref>http://download.oracle.com/docs/cd/B28359_01/server.111/b28294/standby.htm#insertedID3 ''Data Guard Concepts and Administration'', 11g Release 1 (11.1); Section 2.3.2: "Oracle Software Requirements" Retrieved 2007-10-01</ref> Allows read-only access on the standby node at the same time as archiving transactions from the primary node.

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Allows read-only access on the standby node at the same time as archiving transactions from the primary node. Substantial costs savings are possible using Oracle Standard Edition (SE) or Oracle Standard Edition One (SE1)with use of a third-party product such as Quest SharePlex for Oracle to provide [[high availability]] for a database system. <ref>

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| title = Consider Oracle Standard Edition to Reduce Database Management System Costs