12c Release 1

A first look at RAC 12c (part I)

I have recently upgraded my RAC 12.1.0.1.3 system to RAC 12.1.0.2 including the RDBMS installation. Currently…
Upgrading clustered Grid Infrastructure to 12.1.0.2 from 12.1.0.1.3

Oracle 12.1.0.2 is out, after lots of announcements the product has finally been released. I had…
Implications of threaded_execution = true in 12c

I had an interesting discussion as part of my latest presentation at the UKOUG RAC CIA…
Setting up Direct NFS on Oracle 12c

Direct NFS is a great feature that I have finally had the time to investigate further.…
Why is P1 the only parameter populated in cell smart table scan?

Anyone who has looked at Exadata might ask the question, and I did so too. After all, cell…
Why does the Optimiser not respect my qb_name() hint?

I recently was involved in an investigation on a slow-running report on an Exadata system. This…
My SDU goes to 11 ^h^h I meant 2097152

One of the cool new things in 12.1 is that you can set the Session Data…
RAC 12c enhancements: adding an additional SCAN-part 4

This is going to be the last part of this series, however long it might end…
Mysterious new Oracle compression type

As part of our research for our joint presentation at OGH.nl and E4 my colleague Frits…
RAC 12c enhancements: adding an additional SCAN-part 3

Travel time can be writing time and while sitting in the departure lounge waiting for my…