Oracle Database 21c

Which releases allow you to upgrade to Oracle Database 21c?

Posted on August 31, 2021 by Oracle Database 21c 2

As I wrote before, the release you should upgrade to is clearly Oracle Database 19c. Unless you need to use one of the new features in Oracle 21c. But as you have seen in the past, some of them get backported to 19c as well. Still, in case you can’t resists or you love upgrades as much as we do, the question may be: Which releases allow you to upgrade to Oracle Database 21c?

Upgrade-supported Releases

The Database Upgrade Guide for Oracle 21c is your best friend here. Right at the beginning in the first chapter you will find this …

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Upgrading a non-CDB to Oracle Database 21c with AutoUpgrade

Posted on August 24, 2021 by AutoUpgrade Oracle Database 21c Upgrade / Migration 7

Yesterday I wrote about the installation of Oracle Database 21c on Linux. But today it is time for Upgrading to Oracle Database 21c with AutoUpgrade.

Upgrading a non-CDB to Oracle Database 21c with AutoUpgrade

Photo by Arjun MJ on Unsplash

AutoUpgrade

You may have heard it already from us and other colleagues, but we can’t repeat it often enough: There is only one recommended tool to upgrade your databases – and this is AutoUpgrade.

In my 21c home, I’m checking the deployed version of AutoUpgrade at first:

[CDB3] oracle@hol:/u01/app/oracle/product/21/rdbms/admin
$ java -jar autoupgrade.jar -version
build.hash 57ab246
build.version 21.1.3
build.date 2021/04/21 13:32:13
build.max_target_version 21
build.supported_target_versions 12.2,18,19,21
build.type production

Now please …

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Installation of Oracle Database 21c on Oracle Linux

Posted on August 16, 2021 by Oracle Database 21c 6

As you may have expected already since Oracle Database 21c is available for download on Linux, I will publish some additional posts this week. Today, I will give a quick insight into the installation process.

CDB-only architecture

As you may or may not be aware, Oracle Database 21c is the first Oracle database release with CDB-only architecture. You can’t have a non-CDB in Oracle 21c anymore. Ah, wait a bit, didn’t I blog 1.5 years ago that Oracle Database 20c will be the first CDB-only release? True. But as you saw, there …

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Oracle Database 21c is available in the cloud – plus documentation

Posted on December 8, 2020 by Oracle Database 21c 0

It’s time for a new release. And as of this morning, Oracle Database 21c is available in the cloud – plus documentation is accessible as well. This is just the first blog post about Oracle Database 21c – more will follow within the next days. Stay tuned 🙂

Oracle Database 21c

Oracle Database 21c is now available on Always Free Autonomous Database (only in the following regions: IAD, PHX, LHR, FRA) and Database Cloud Service (RAC and single-instance on VM; single-instance on Bare Metal).

In addition, you can download the 21c client from the …

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Mike Dietrich
Oracle Senior Director of Product Manager for Database Upgrade, Migrations and Patching writing just another blog.

Opinions certainly are my own as is this page.

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