So, what do you think is the most fundamental difference between NESTED LOOPS and HASH JOINS?
This is not a trick question. You’re welcome to write your opinion in the comments section – and I’ll follow up with an article about it (my opinion) later today…
Update: The answer article is here:
NB! Dates updated: After a 1.5 year break, this year’s only Advanced Oracle Troubleshooting training class (updated with Oracle 12c content) takes place on 14-18 December 2015 and 11-15 January 2016 (I had to reschedule the start from November to December). So sign up now if you want to learn new cool stuff!