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Oracle Optimizer Statistics Advisor in Oracle 19c

Posted on February 28, 2023 by Flaws and Pitfalls Optimizer Patch Recommendation 18

Christian Pfundtner pointed me to the fact that my old blog post about the Statistics Advisor from 2017 may not be up to date anymore. And he further pointed out that some of his clients still suffer from issues with the tool. Hence, let me refresh the topic with Oracle Optimizer Statistics Advisor in Oracle 19c. And thanks to Christian for the pointers.

 

Overview

At first, I won’t rewrite the entire blog post but instead focus on recent findings. Therefore, you may please want to read my previous blog post about the …

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Migrating Flashback Data Archive (FDA) tables

Posted on April 8, 2022 by Export - Import 11

This morning I received an email question from a customer asking whether there is support for the Migrating Flashback Data Archive (FDA) tables in Oracle 19c. And since this is not the first time I received this question, I thought it may be good to have a blog post about it.

What is Flashback Data Archive (FDA)?

Well, google it. Actually I was looking for a link in our documentation but to my surprise I found the usual suspects such as Tim Hall’s excellent oracle-base page – but not much in our own doc …

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OJVM and the Mitigation Patch – Things to know in 2020

Posted on March 31, 2020 by JVM 10

Today my headline sounds a bit like “Little Red Riding Hood and the Big Bad Wolf” – but there is a reason why I’d like to write about about OJVM and the Mitigation Patch – Things to know in 2020. We are working with a customer right now where preupgrade.jar gave a warning about the existence of the Mitigation patch in an 11.2.0.4 home – despite the fact that JAVAVM is not configured in this database. And this looked strange to us.

OJVM and the Mitigation Patch - Things to know

Photo by Šárka Jonášová on Unsplash

Mitigation Patch?

A quick search on my blog shows me that …

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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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