Friday, May 30, 2014

Implementing Class of Secure Transport (COST)

To safeguard against security vulnerability (CVE-2012-1675) as published here, COST (Class of Secure Transport) parameter is used to restrict any remote instance to get registered with the listener running on a database server. This is done by adding a parameter SECURE_REGISTER_<LISTENER_NAME> = (TCP) in the listener.ora file

Sunday, May 18, 2014

RMAN Backup Performance

Finishing an RMAN backup on time (fast) is usually what every DBA looks for. Here I would be discussing my experience of RMAN backup scenarios which I tested for speed and performance. Environment details are as follows.

Tuesday, May 13, 2014

Converting a Failed Over Standby Database Back to Standby Database

I have seen some articles on the internet for reinstating a primary database after a failover (using flashback database technology – if FLASHBACK RETENTION time has not exceeded), but I was not able to find a document to revert or reinstate a “failed-over” standby database (which has now become primary) back to a standby database (using FLASHBACK technology).

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