How to learn about foundational techniques used in DBMS? This post provides some pointers to great free resources.
As the fourth quarter of the year started everybody seems to check the goals that had been set for this year and what has already… Read More »How most BW performance support messages are solved
Last week a colleague from the WHM (data warehouse management) support team called me to get some assistance with a customer message he was processing.… Read More »SAP Support case “FOR ALL ENTRIES disaster”
One of the quotes I like most I learned from Tom Kyte from Oracle. It’s one from Artemus Ward: “It ain’t so much the things… Read More »Short note on Line Item and High Cardinality dimensions
Welcome to the problem As usual understanding, the meaning and the scope of the question is key for the answer to this question, recently filed… Read More »Question to SAP Support “Why is partition pruning not working in my BW on Oracle?”
Unexpected Behavior Last week during an Oracle workshop with my primary support colleagues in the GSC Ireland I came across something new (at least to… Read More »“Things change for the better” or “How I enhanced the Oracle DBMS software”
Ok, once again reproducing a problem takes a lot of (waiting-)time for the query to finish. In the meantime I can also just write a… Read More »BW on Oracle: a performance hunch I see more and more often…