Tag: IOUG

Query’s execution plan has significant impact on Oracle database performance which depends upon variety of factors like optimizer statistics, optimizer related parameter, schema definition etc. If execution plan changes, there is no guarantee whether it is better than the previous one or worse so in past DBAs have been locking the plan using Stored Outlines…

In this presentation I will be covering various issues and problems experienced by us at Verizon wireless during the upgrade of our RAC database from 10g to 11g. The session will also cover various bugs , metalink references and the solutions for the problems we experienced.