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About Me

Oracle database and more …

Data Guard – Definition of Online Redo Logs is “broken” after duplicate for standby

Hi there, today is the 1st birthday of a service request with Oracle I opened for which I see no progress since quite a while. I raised it exactly one year ago, on Oct 2nd 2019. There were some activity in last October, November mostly logging about the issue. There was no update in theContinue reading “Data Guard – Definition of Online Redo Logs is “broken” after duplicate for standby”

TNS chaos

I like to have my Oracle Net config consistent and without surprises. So for me it is a best practice to have ONE central TNS_ADMIN directory on the database server, which is set in all my shells. But a lot of processes might ignore that in case instances, sessions etc. are started from different environments,Continue reading “TNS chaos”

Why this Blog?

I had a blog, so why a new one? … Cause the old one was maintained by Trivadis – my employer – and just disappeared. Some customers and friends just asked me about that content. Thank you, that you consider it valuable. As it seems that it is not fixable in a suitable manner IContinue reading “Why this Blog?”

My First Blog Post

Be yourself; Everyone else is already taken. — Oscar Wilde. This is the first post on my new blog. I’m just getting this new blog going, so stay tuned for more. Subscribe below to get notified when I post new updates.


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