Restore and Upgrade Oracle Database from 11gR2 to 12c from Exadata X4-2 to X7-2

Upgrade from Exadata X4-2 11g (11.2.0.4) to Exadata X7-2 12CR1 (12.1.0.2.0) : ASM to ASM Oracle Database 11.2.0.3and 11.2.0.4 to Oracle 12.2.0.1 Direct upgrade is supported by Oracle. If you have Database lower than those version than you have to upgrade to 11.2.0.4 first and you can upgrade to 12cR2 In our Scenario We will … Continue reading Restore and Upgrade Oracle Database from 11gR2 to 12c from Exadata X4-2 to X7-2

PRVG-1561 : Setting ORA_CRS_HOME variable is not supported

While installing Oracle 12c on Linux you can get this error. The solution is very easy just unset the ORA_CRS_HOME environment variable and run the runInstaller again $ unset ORA_CRS_HOME

Library Cache Pin Wait Event in Oracle

The "Library Cache Pin" wait event is generally a wait event associated with library cache concurrency. Generally the wait event implies that a session is holding the pin in an incompatible mode. You can use the below query to find out the sessions waiting and the ones holding the pin, along with the wait events … Continue reading Library Cache Pin Wait Event in Oracle

Upgrade and Migrate to 12c – Oracle Official Presentation

A 600 slide presentation by Oracle DB Product Manager Mike Dietrich, to upgrade and migrate to Oracle 12c. Upgrade_and_Migrate_12c

Oracle 12c 12.1.0.2 now available for download

The long awaited Oracle 12c version (12.1.0.2) with the In-Memory option is now available for public download. The standout feature of this release is as mentioned the In-Memory option in Oracle Database which will speed queries up to 100 times in some use cases. You can download the release from the below link on OTN. It … Continue reading Oracle 12c 12.1.0.2 now available for download

12c Oracle Database is now available for download !

There you go http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html