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November 2015

Twitter : Is it a valuable community contribution?

During a conversation with Zahid Anwar at OOW15, the question was asked, is Twitter content a valuable contribution to the community?

The following is *my opinion* on the matter. Other opinions are valid.

The sort of tweets I see fall into the following basic categories:

APEX 5.0.2 : Let’s get patching!


APEX 5.0.2 was released just before OOW15. Today is my first day back to work, so I’ve started to patch some stuff. We were already on APEX 5.0.1 across the board, so we didn’t need to do any full installations, just patches.

SO far, so good. No problems in any Dev or Test databases. I expect a pretty quick roll-out across the board.

Cheers

Tim…

MobaXterm 8.3

MobaXterm 8.3 has been released.

Downloads and changelog in the usual places.

This is a must for Windows users who use SSH and X Emulation!

Cheers

Tim…


MobaXterm 8.3 was first posted on November 2, 2015 at 12:16 pm.
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Clustering_factor

I had a recent conversation at Oracle OpenWorld 2015 about a locking anomaly in a 3-node RAC system which was causing unexpected deadlocks. Coincidentally, this conversation came about shortly after I had been listening to Martin Widlake talking about using the procedure dbms_stats.set_table_prefs() to adjust the way that Oracle calculates the clustering_factor for indexes. The juxtaposition of these two topics made me realise that the advice I had given in “Cost Based Oracle – Fundamentals” 10 years ago was (probably) incomplete, and needed some verification. The sticking point was RAC.