As cloud providers create new features for enterprise infrastructures, more big data companies are beginning to consider how their digital architectures could be improved by leveraging one of these options. The widespread description of the cloud is also evolving, but according to ZDNet, what the media portrays the cloud to (more...)
A couple of years ago I left the warmth and comfort of the database world and joined the storage industry – a harsh unrelenting world full of cut-throat competition and vendor rivalries, where marketing is treated less as a way of communicating with customers and more as a form of (more...)
UKOUG conference day 2 opened up with Tom Kyte talking about 5 PL/SQL things you probably didn’t know. It did have 12c in the title but I think 4 out of the 5 were pre 12C. Implicit conversions are EVIL is my main take-away and he made me aware of (more...)
When the Smart Flash Cache was introduced in Exadata, it was caching reads only. So there were only read “optimization” statistics like cell flash cache read hits and physical read requests/bytes optimized in V$SESSTAT and V$SYSSTAT (the former accounted for the read IO requests that got its data from the flash (more...)
The development of the cloud has changed the way IT managers handle corporate infrastructures. The integration of scaling storage and remote access features have made it easier for organizations to save on operational expenses by providing increased flexible memory requirements that are not possible with legacy equipment. As more enterprises shift (more...)
The UDF pragma tells the compiler that the PL/SQL unit is a user defined function that is used primarily in SQL statements, which might improve its performance.I though it would be very cool to try (more...)
Big Data Analytics From Strategic Planning to Enterprise Integration with Tools, Techniques, NoSQL, and Graph
What is Big Data Analytics?
Big Data Analytics From Strategic Planning to (more...)
UKOUG conference day 1 and to my eye there does not seem to be that many differences between Manchester Central and Birmingham ICC. Lots of smaller halls and a large main hall, a similar lunch available, the same lack of seating. I understand that attendance is seen comparable as (more...)
Please feel free to share your own experiences with these tools or others in the comments!
There are a number of tools out there to do (more...)
This is the fourth of twelve articles in a series called Operationally Scalable Practices. The first article gives an introduction and the second article contains a general overview. In short, this series suggests a comprehensive and cogent blueprint to best position organizations and DBAs for growth.
This article – building (more...)
As usual the latest version can be downloaded here.
The new version comes with numerous improvements and (more...)
Yesterday we conducted the SuperSunday WebLogic Hackathon at the UKOUG Tech13 conference.
It went well and people looked like they had a pleasant time.
I have enjoyed preparing for the event. The team contained a Brit, a Dutch, a Swiss and a Dane. It has been very motivating meeting people (more...)
SQL performance can degrade for many reasons, some of most common are:
- plan changes
- data skewness
- low caching efficiency
- data growth
All these factors are relatively well known. A somewhat less common, although not exceptionally rare scenario, is read consistency overhead due to concurrent (more...)
Last week, I passed my private pilot oral exam and flight test called a checkride and now have my private pilot license!
The checkride was challenging and intense but I had a great experience and learned a lot about myself and from the awesome examiner in Santa Rosa.