Testing

Upgrade Testing – Online Clone a PDB to 19c

Posted on March 6, 2020 by Single-/Multitenant Upgrade / Migration 34

In the past I wrote some articles about cloning PDBs to new environments. And I added a post about RELOCATE as well. But I realized that I have no specific blog post about a very typical scenario: Upgrade Testing – Online Clone a PDB to 19c.

Upgrade Testing - Online Clone a PDB to Oracle 19c

Photo by Jørgen Håland on Unsplash

My Setup

I have an Oracle 12.2.0.1 CDB with a PDB, and another Oracle 19.6.0 CDB. I will hot clone the PDB from 12.2.0.1 to the higher version CDB, and then upgrade the PDB.

Upgrade Testing - Online Clone a PDB to Oracle 19c

The motivation to do it this way is to allow testing for the application …

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Why people don’t patch and upgrade?!?

Posted on November 13, 2013 by General 4

Please see the JAPANESE version of this blog post here!!

Discussing the topic “Why Upgrade” or “Why not Upgrade” is not always fun. Actually the arguments repeat from customer to customer. Typically we hear things such as:

  • A PSU or Patch Set introduces new bugs
  • A new PSU or Patch Set introduces new features which lead to risk and require application verification
  • Patching means risk
  • Patching changes the execution plans
  • Patching requires too much testing
  • Patching is too much work for our DBAs
  • Patching costs a lot of money and doesn’t pay out

And to be very honest sometimes it’s …

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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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