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Role of Oracle Active Data Guard in High Availability Database Operations

Rab Nawaz, Tariq Rahim Soomro Published in Databases

International Journal of Applied Information Systems
Year of Publication: 2013
© 2012 by IJAIS Journal
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  1. Rab Nawaz and Tariq Rahim Soomro. Article: Role of Oracle Active Data Guard in High Availability Database Operations. International Journal of Applied Information Systems 5(5):18-21, April 2013. BibTeX

    	author = "Rab Nawaz and Tariq Rahim Soomro",
    	title = "Article: Role of Oracle Active Data Guard in High Availability Database Operations",
    	journal = "International Journal of Applied Information Systems",
    	year = 2013,
    	volume = 5,
    	number = 5,
    	pages = "18-21",
    	month = "April",
    	note = "Published by Foundation of Computer Science, New York, USA"


Data Guard is one of the high availability, disaster recovery and data protection architecture from Oracle. The Active Data Guard in Oracle Database 11g has brought significant changes in the existing architecture. This paper will study these changes and will see how active Data Guard is providing high availability with offloading workload to one or more standby databases and providing the opportunity to query real time data in standby databases. Finally this study will see how it provides the way to perform different write operations on primary database through standby databases.


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Oracle Active Data Guard, Data Guard, Stand by database, Fail over, switch over, Primary or secondary database, High availability in databases, data protection, Return on investment