SPM

3 Live Seminars: Upgrade and Performance Seminar 2 Questions answered

Thanks a lot to all of you who participated also in our second seminar. Below you find now 3 Live Seminars: Upgrade and Performance Seminar 2 Questions answered.

3 Live Seminars: Upgrade and Performance Seminar 2 Questions answered

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Your Questions, our Answers for Seminar 2: Upgrade and Performance

I this blog post I answer all questions from the second seminar about AutoUpgrade to Oracle 19c and Performance Stability. Please find the links to the other QAs for Seminar 1 (Release Strategy, Patching and Cool Features) and Seminar 3 (Migration to Multitenant) below in the Links section of this blog post.

39 We need
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The new Oracle 19c Hands-On Lab is available now for download

Wow, this took a long while. Thanks to my team mate, Data Pump Product Manager Bill Beauregard who went through the complex approval process, the new Oracle 19c Hands-On Lab is available now for download. And in addition, I adjusted the instructions on the blog as well.

The new Oracle 19c Hands-On Lab is available now for download

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What you’ll get …

At first, the download is huge. All together, you will download 13 files summing up to 25GB. When you unzip it, you will get an OVA file. Then you will need to import this appliance into Oracle VirtualBox. The lab will …

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Automatic SQL Plan Management – Slight Change with 19.4.0

I did blog in more detail about Automatic SQL Plan Management in Oracle 19c. And Roy and I had really a lot of discussion in every customer meeting at OOW19 about it. But there is a slight change to where the feature is available with Oracle 19.4.0.

Automatic SQL Plan Management - Slight Change with 19.4.0

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Slight Change

When you compare the settings of SQL Plan Management between Oracle 19.3 and 19.4, you’ll see the difference:

column parameter_value format a45
column parameter_name format a25
set pages 200

SELECT PARAMETER_NAME, PARAMETER_VALUE
  FROM   DBA_ADVISOR_PARAMETERS
  WHERE  TASK_NAME = 'SYS_AUTO_SPM_EVOLVE_TASK'
    AND PARAMETER_VALUE <> 'UNUSED'
  ORDER 
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Automatic SQL Plan Management in Oracle Database 19c

Automatic SQL Plan Management in Oracle Database 19cWhen you upgrade to a new database release, there will be changes. Some are obvious, others are not. This one is somewhere in between because it is documented quite well but not very well known yet as far as I see. I’m talking about the Automatic SQL Plan Management in Oracle Database 19c.

What is changing in Oracle 19c?

PLEASE READ THIS UPDATED BLOG POST:
https://mikedietrichde.com/2019/10/02/automatic-sql-plan-management-slight-change-with-19-4-0/
AS THERE IS A CHANGE WITH ORACLE 19.4.0.

First of all, I don’t want to rewrite everything Nigel Bayliss wrote in his detailed blog post about Automatic SQL Plan Management in Oracle 19c

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SQL Plan Management – Known Issues in Oracle 12.1.0.2

Our Support colleagues released the patch recommendation note for SQL Plan Management (SPM) for Oracle Database 12.1.0.2.

SPM Note

In the unlikely event you’d like to upgrade to Oracle Database 11.2.0.4 or (very very unlikely hopefully) 11.2.0.3 please see these matching notes:

Some additional things to mention:

  • SPM is an Oracle Enterprise Edition feature at no
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