Oracle Database – Page 5 – Bijoos OracleNotes

Adaptive Query Performance Fixes for #DB12c Release 1

February 7, 2026December 5, 2017 by Biju

We all know adaptive query feature introduced in Oracle Database Release 1 is a problem. Recently I had the opportunity to review few 12cR1 databases and found that to alleviate the performance problems, the DBA set parameter OPTIMIZER_FEATURES_ENABLE=11.2.0.4 in Oracle Database 12c Release 1 (12.1.0.2). This observation is the catalyst for the blog “Adaptive Query … Read more

ODC Appreciation Day: Two Cool 12c Security Features #ThanksODC #ThanksOTN

February 7, 2026October 10, 2017 by Biju

There are quite a lot of new features in the 12c database that I like and have discussed and talked about them at various events. On this #ThanksODC day, I would like to take the opportunity to thank Oracle Technology Network (or Oracle Developer Community) and Oracle ACE Program for all the support they provide … Read more