Category Archives: Common

File ownership after patching or relinking Oracle RDBMS software

Some time ago I received the warning message “chmod: changing permissions of ‘/u00/app/oracle/product/11.2.0.4/bin/extjobO’: Operation not permitted” when patching the Oracle RDBMS at a customer site. This was the reason for me, to check what happens to file permissions and ownership … Continue reading

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Oracle 18c Express Edition: How to create a second database

Not everything that is technically possible is allowed. And so of course for the Oracle Database 18c Express Edition the restriction is clear: “One instance per environment”. “Environment” means a VM, a physical server etc.. But maybe you can run … Continue reading

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Oracle 18c Express Edition: How to create a Non-Container-Database

Oracle 18c Express Edition (XE) comes with a container database as default database. Up to 3 pluggable databases are free so XE is a good start for getting familiar with the Multitenant architecture. However, you can still run a Non-Container-Database … Continue reading

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Oracle Critical Patch Updates – some statistics

In January I started some posts on the Oracle Critical Patch Updates (CPU) on my German blog (www.markusdba.de). Here’s the translated version of my July post: In January 2018 I started publishing some statistics and graphics about Oracle’s Critical Patch … Continue reading

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Back home from nlOUG Tech Experience 2018 at the Rijtuigenloods/Amersfoort

Almost one week ago, I attended the conference of the Dutch Oracle User Group (nlOUG), “nloug Tech Experience 2018”. It was another great experience, once again, thanks to nlOUG for the chance of being part of it. I had two … Continue reading

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