19.4.0

ORA-1555 won’t get reported into alert.log anymore since 19.4.0

Posted on September 10, 2020 by Behavior Change 8

Many thanks to a German customer for showing me this tiny behavior change with Oracle Database RU 19.4.0. From this RU on the well known ORA-1555 won’t get reported into alert.log anymore since 19.4.0. But if you still like to see the “snapshot too old” error, then you can use a workaround.

Why has this been changed?

Actually this is something I don’t understand completely. It may be just a side effect. Unpublished fix bug 29424999 – DUMP MINIMAL DIAGNOSTICS BY DEFAULT IN CASE OF ORA-01555 IN ADW/ATP ENV has been …

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ORA-1722 when upgrading to 19.4.0 or 19.5.0 on Windows

Posted on December 18, 2019 by Flaws and Pitfalls 17

Oh boy – I try to avoid blogging about errors on a specific platform. But as this topic was brought to my attention now 3x in 2 weeks, I think I’ll send it out. And I hope you won’t hit this ORA-1722 when upgrading to 19.4.0 or 19.5.0 on Windows.

ORA-1722 when upgrading to 19.4.0 or 19.5.0 on Windows

What is failing?

The database upgrade only on the MS Windows platform fails when you attempt to upgrade to 19.4.0 or 19.5.0. This means, you downloaded and installed 19.3.0. And then you followed our advice and applied one of the most recent Release Update – ideally 19.5.0, the October …

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Automatic SQL Plan Management – Slight Change with 19.4.0

Posted on October 2, 2019 by Oracle Database 19c SPM - SQL Plan Management 2

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

Photo by Samuel Zeller on Unsplash

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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In case you miss DBMS_OPTIM_BUNDLE … again …?!?

Posted on June 6, 2019 by Flaws and Pitfalls 12
In case you miss DBMS_OPTIM_BUNDLE ... again ...?!?

Photo by Caleb Woods on Unsplash

I’m tempted to copy and paste my blog post about DBMS_OPTIM_BUNDLE from February 2019, and exchange only 12.2.0.1 with 19c. But in this case the root cause is different. So this blog post is meant for Oracle 19.3.0 to be precise – in case you miss DBMS_OPTIM_BUNDLE … again … ?!?

Information about DBMS_OPTIM_BUNDLE

You will find a lot of information about DBMS_OPTIM_BUNDLE, what it does, since which release it exists and much more in these blog posts:

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

Opinions certainly are my own as is this page.

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