What a strange topic. And I thought I never will blog about this. But as I have received the same question for the third time today, I think there’s a bit clarification needed. Lost AWR snapshots reappear in Oracle 12.2 in Multitenant pluggable databases.
Lost AWR snapshots reappear again in Oracle 12.2 in Multitenant
In a non-CDB database you have your local AWR data stored in the SYSAUX tablespace.… [Read More]
This blog post title sounds a bit weird, doesn’t it? Oracle 22.214.171.124 RESTART: Make sure you’ve patched your Oracle 126.96.36.199 homes. Why the heck should you patch your 188.8.131.52 database homes upfront?
Oracle 184.108.40.206 RESTART: Make sure you’ve patched your Oracle 220.127.116.11 homes
Well, there’s an interesting issue happening. When you work with Oracle Grid Infrastructure, no matter if you operate a cluster or “just” use Oracle Restart, you’ll have to upgrade GI to Oracle 12.2 first before you can manage 12.2 databases with it.… [Read More]
You can attempt an Oracle database upgrade without having a fallback strategy. Of course you can. If you are brave enough. But I would recommend you this Fallback Strategy: Flashback to Guaranteed Restore Points. It is simple, easy, fast. And yes, it is an Enterprise Edition only feature. I have blogged about it in the past already but I realized it need some refresh.… [Read More]
The Oracle Optimizer Statistics Advisor in Oracle Database 18.104.22.168 is something I planned to write about for quite a while. Roy and I include this topic in the New Features section in our Upgrade / Migrate / Consolidate to Oracle Database 12.2 slide deck for some time. This blog post (in German only) by my former team mate Ulrike Schwinn inspired me to post something by myself.… [Read More]