Installing Oracle Database 18c

This blog post about Installing Oracle Database 18c applies to all Oracle 18c releases. I wrote a while ago about one very important change: Oracle Database 18c – Some Important Changes and explained that the installation is now image based. You’ll find other posts as part of my series on how to install and upgrade to Oracle Database 18c here: Deinstalling Oracle Database 12.2.0.1 Installing Oracle Database 18.1.0 Patching Oracle 18.1.0 to 18.2.0 Upgrade Oracle 12.2.0.1 to Oracle Database 18c on-premises Installing Oracle Database 18c Oracle Database 18c on-premises is supposed to be generally available with the July 2018 Update….

Non-CDB architecture still exists in Oracle Database 12.2.

I received a question whether the Non-CDB architecture still exists in Oracle Database 12.2.from 3 different colleagues in the past week: “Does Oracle Database 12.2 still allow us to create non-CDB databases?” And as I get this question at every customer-facing workshop these days as well before being able to talk about Single/Multitenant – I think it is important to clarify it. The statement is misleading. And I can’t blame anybody about misreading it. Is the non-CDB architecture still available/supported in Oracle Database 12.2? I did blog about it a while ago – but Google is not always your friend…

Why you should remove APEX from the CDB$ROOT

Upgrade Blog posts about Oracle Application Express: Why you should remove APEX from the CDB$ROOT (Nov 19, 2015) Upgrade Time Credited to APEX (Sept 1, 2015) Save Upgrade Downtime – Upgrade APEX upfront (Jun 6, 2014) Oracle APEX (Application Express) is great piece of software. But it gets installed by default into the container database’s CDB$ROOT unless you’d customized your CDB creation via scripts in Oracle 12.1.0.2. See: Create Container Databases (CDB) with less options – it’s now supported in Oracle 12.1.0.2 on how to customize a Single/Multitenant Database with less options. But that is not the topic I would like…