Category Archives: Oracle

Oracle Exadata Performance: Latest Improvements and Less Known Features

-+*Here are the slides of a presentation I did at the IOUG Virtual Exadata conference in February. I’m explaining the basics of some new Oracle 12c things related to Exadata, plus current latest cellsrv improvements like Columnar Flash Cache and I…

Birmingham City University (BCU) Talk #2

-+*As mentioned in a previous post, when I was at Birmingham City University (BCU) speaking at the UKOUG Next Gen event, one of the lecturers saw me and subsequently asked if I would come in and do some technical talks for the students. I did the first ab…

The Four Ps of Standards/Procurement Requirements/”Whatevahs”

-+*

I am a veteran – not merely a military veteran, but an information security veteran. I don’t get medals for the latter, but I do have battle scars. Many of the scars are relatively recent: a result of tearing my hair out from many, many, many …

Oracle system V shared memory indicated deleted

-+*This article is written with examples taken from an (virtualised) Oracle Linux 6u6 X86_64 operating system, and Oracle database version 12.1.0.2.1. However, I think the same behaviour is true for Oracle 11 and 10 and earlier versions.
Probably most re…

OUG Ireland 2015 : The Journey Home

-+*After saying a quick goodbye to everyone, I got in a taxi and headed for the airport. I was a little on the early side, but as I’ve said before, it’s better to be early than late where airports are concerned. I wanted do have a Guinness in …

OUG Ireland 2015 : The Event

-+*Having got to OUG Ireland, here’s what happened…
The first session I got to see was Nikolay Kovachev from TechnoLogica speaking about “12c PDBs, Snapshots & Change Management”. Bulgaria in da house! The session started wit…

OUG Ireland 2015 : The Journey Begins

-+*The day started early, about 1 hour before my alarm in fact. I got up, lay in the bath for a while drinking a can of Monster and considering the day ahead, got out of the bath, puked, then got my shit together ready for the taxi. I’ve been ill th…

SQLTXPLAIN and the AWR Warehouse, Part I

-+*Yeah, so I did it-  I installed SQLTXPLAIN, (SQLT) on the AWR Warehouse!  From previous experience with this fantastic tool, I was pretty sure I’d have some great new adventures with the AWR Warehouse data and I wanted to see if it was something th…

SQL Developer 3 and Timestamp Conversion

-+*I shouldn’t be using an old version of SQL Developer like v3 (3.2.10.09) anyway but… cut a long story short … I am.
I’ve also got v4 which doesn’t display the same problem
Just pointing out an oddity whilst investigating s…

VirtualBox 4.3.26

-+*VirtualBox 4.3.26 has been released. Downloads and changelog are in the usual places.
It’s only a couple of weeks since the last release, so I guess there was something causing people significant headaches, which warranted a new release. Not tha…