DBCA: Registering a database with OEM Cloud Control during creation
When you create a database using Database Creation Assistant (DBCA), there is this screen “Specify Management Options”. For my test database on VMs I choose “Enterprise Database Express” as a simple standalone-management option most times. But there is this other option “register databases with cloud control” – I’ve never used this option before, I always…
File ownership after patching or relinking Oracle RDBMS software
Some time ago I received the warning message “chmod: changing permissions of ‘/u00/app/oracle/product/11.2.0.4/bin/extjobO’: Operation not permitted” when patching the Oracle RDBMS at a customer site. This was the reason for me, to check what happens to file permissions and ownership when patching or relinking Oracle RDBMS software.
Oracle 18c Express Edition: How to create a second database
Not everything that is technically possible is allowed. And so of course for the Oracle Database 18c Express Edition the restriction is clear: “One instance per environment”. “Environment” means a VM, a physical server etc.. But maybe you can run two XE databases on one server after all? Let’s give it a try.