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Tuning Database XQuery Statements (1)

I had a question of a colleague to have a look at a statement that…

ORA-31145 – “Duplicate listener, %s, found in resource configuration”

Today I had an error on my test environment which surprised me…initially… While I was…

Presentation material & E-learning videos – In-Memory Column Store Workshop with Maria Colgan

You can now download and have another look at the presentations used during the In-Memory…

In Memory XML Performance (XVM)

I wouldn’t believe the bad XMLType performance statement given stated in Martin Preiss’ blog post,…

DBMS_INMEMORY_ADVISOR

When you follow the Oracle in-memory / optimizer team, then you have probably seen this…

Free In-Memory Column Store Workshop with Maria Colgan

I am very proud to be able to announce a free workshop on Friday the…

Oracle on GitHub

There has been a lot of activity on https://github.com/oracle lately. Apparently a place to keep…

Oracle XFILES now on GitHub

The demonstration environment for Oracle XML DB called XFILES is now on GitHub. As stated…

The info in OTHER_XML of view DBA_HIST_SQL_PLAN

I had some time to spend, killing time, and thought about something that was “on…

Updated (XML) Content Section

“Once per year I try to update the “XML Content” page that, in principle, should…