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.
Oracle 18c Express Edition: How to create a Non-Container-Database
Oracle 18c Express Edition (XE) comes with a container database as default database. Up to 3 pluggable databases are free so XE is a good start for getting familiar with the Multitenant architecture. However, you can still run a Non-Container-Database with Oracle 18c XE. You can simply use the Database Configuration Assistant (dbca) to create…
Observations when upgrading to Oracle Database 18c
I recently upgraded the repository database of my Enterprise Manager Cloud Control 13.3 playground from release 12.2 to release 18.3. When checking the alert.log of my repository database – which is a Non-CDB – I found some interesting entries in the alert.log file.