This is the Part 1 of the hacking session I delivered live.
In this part we’ll talk mostly about how an application talks to the database session when wanting to execute a query (tracing OPI calls, fetch operations etc).
In the Part 2 (which I will upload soon) we’ll drill down inside an execution plan then.
Enjoy!

[...] I uploaded the Part 1 of my previous hacking session about Oracle SQL plan execution to enkitec.tv (The part 2 will follow hopefully [...]