![]() ![]() Oracle Data Guard provides a comprehensive set of capabilities for data availability and protection that are included with Oracle Database Enterprise Edition. An Active Data Guard Option license must be purchased in addition to Oracle Enterprise Edition in order to utilize these new capabilities.Īctive Data Guard and Oracle Data Guard 11g are related technologies, each having a different area of focus. The variables you might need to set are as follows: ORACLEHOME ORACLESID LDPRELOAD LDLIBRARYPATH NLSLANG For less frequently used Oracle environment variables such as TNSADMIN, TWOTASK, ORATZFILE, and the various Oracle globalization settings like ORANLS33, ORANLS10 and the NLS variables refer to Oracle documentation. Queries and reports can be offloaded from the production system to a synchronized physical standby database - all queries at the standby database return up-to-date results. Active Data Guard enables read-only access to a physical standby database while Redo Apply is active. ![]() The Active Data Guard Option is an evolution of Data Guard technology that incorporates significant innovation (multiple patents pending) designed for a specific purpose - to improve production database performance for critical transactions. ![]()
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