Why are your scalar UDFs slow? (mine aren’t)
You think scalar user-defined-functions are slow in HANA?
I show you how to fix that!
planviz
Find the ONE … or the other
Some “finger-exercises” in data modeling, SQL programming, and making sense of ABAP design decisions.
One in a Million
In which I analyze why a SELECT takes longer when the primary key column is included…
Get your data running simple
SAP runs simple. And SAP HANA also runs simple. Down to the very internal coding this mantra has been followed. And not just simple, but actually easy and here’s the proof – right out of the SAP HANA JoinEngine 😆 (the picture above is a PlanViz – a performance analysis tool – output of a … Get your data running simple
Show me the timelines, baby!
The PlanViz trace tool is one of the most important tools to understand SAP HANA query performance. This blog post covers some fundamentals of the tool.