Flaws

Cloning with Pluggable Databases in Oracle 18c

We had several discussions on the internal mailing lists the other day about cloning with Pluggable Databases in Oracle 18c (or 12.2.0.1). And I blogged about this topic a while ago but realized I may need to refresh this a bit.

Cloning with Pluggable Databases in Oracle 18c

My example from the old blog post still works fine. But I realized that I switched my database into read-only mode. Hence, I like to repeat it and check different options.

Cloning a 12.1 PDB into Oracle 18c

In the source CDB1 I create a fresh PDB first, then open it and create a cloning user with the necessary …

Patching does not work – Journey to the Cloud VI

Posted on April 18, 2016 by Mike.Dietrich Cloud Patch Recommendation 0

What happened so far on my Journey to the Cloud?

Patching in the Cloud

I would like to patch my Oracle DBaaS Cloud today. It was so simple a …

What happened to the blog post about “12c parameters”?

Posted on February 25, 2016 by Mike.Dietrich Optimizer Parameters Performance Tuning 3

Two weeks ago I published a blog post about Parameter Recommendations for Oracle Database 12.1.0.2. And I took it down a day later. Why that?

I’ve got a lot of input from external sources for the “Parameter” blog post. And I’d like to thank everybody who contributed to it, especially Oracle ACE Ludovico Caldara.

Generally there was a bit of a misunderstanding internally about whether we should “advertise” underscore parameters to cure some misbehavior of the database. In 99% of all cases I’d agree that underscores are not a good solution – especially when it comes …

DBUA and Read-Only Tablespaces – Things to Know – I

Posted on February 3, 2016 by Mike.Dietrich DBUA Flaws and Pitfalls Oracle Database 12c 13

Related Blog Posts:

Some people prefer the manual upgrade on the command line, others prefer the graphical tool Database Upgrade Assistant (DBUA).

DBUA and Read-Only Tablespaces

The DBUA offers you an option of setting your non-Oracle tablespaces read-only during the upgrade.

DBUA Read Only 1

What the option doesn’t tell you …

Flaws

Cloning with Pluggable Databases in Oracle 18c

Cloning a 12.1 PDB into Oracle 18c

Patching does not work – Journey to the Cloud VI

What happened so far on my Journey to the Cloud?

Patching in the Cloud

What happened to the blog post about “12c parameters”?

DBUA and Read-Only Tablespaces – Things to Know – I

DBUA and Read-Only Tablespaces

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