As 2014 draws to a close I working on finishing off a number of tasks and projects. One of these tasks is an annual one for me. The task is to list all the things I've done as an Oracle ACE Director. If has been a very busy year, not just with ACE activities but also work wise too. That will explain why I have been a bit quiet on the blogging side of things (more...)
If you are downloading the EA1 of SQL Developer that includes Oracle Data Miner (ODMr), and you intend to use Oracle Data Miner then you will need to update the ODMr Repository.
You could do it the hard way and run the upgrade repository sql scripts that are located in the ...sqldeveloper-188.8.131.52.29-no-jresqldeveloperdataminerscripts directory.
Or you could do it the easy way and let the inbuilt functionality in Oracle Data Miner do (more...)
These days Hortonworks with their IPO and Cloudera sitting on $1bn of cash grab all the headlines. However,the real visionary in the field is someone else. Someone blasting the previous world record in TeraSort . A Hadoop distribution on both Amazon Web Services and the Google Compute Engine. A company that Google is invested in. While their competitors have been in skirmishes with each other, MapR has been quietly working away and innovating.
MapR-FS: Features and (more...)
A few days ago the first Early Adaptor release of SQL Developer 4.1 (EA1) was made available. You can go ahead and download it from here and make sure to check out the blog post by Jeff Smith on some install and setup that is required around the latest version of Java.
I've been using SQL Developer since its very first release, so getting my hands on a new release is very exciting. There (more...)
I have used 2 graphs from Sample Sales catalog for the purpose of this demo.
Edit the dashboard
Select the Print Options link
Select Custom Print Layouts -> Create Layouts
Thats it, OBIEE will do all the work of creating a layout and a data model for you.
Hit the View Report button to see your report.
You will (more...)
The UKOUG annual conferences commence on Sunday 7th December and run until Wednesday 10th.
Like previous years there are two conferences, one called TECH15 and the other is called APPS15. You might guess what each conference is about!!.
This year these conferences are being held at the same time and in the same venue. But they are separate conferences!.
This year I've been very lucky (or very unlucky) to have 3 presentations at these conferences. (more...)
How has the interest in Big Data, Hadoop, Business Intelligence, Analytics and Dashboards changed over the years?
One easy way to gauge the interest is to measure how much news is generated for the related term and Google Trends allows you do that very easily.
After plugging all of the above terms in Google trends and further analysis leads to the following visualizations.
Aggregating the results by year
It is very amazing to see (more...)
Quarterly breakup of units sold by manufacturer
Here is more individual breakdown by Quarterly expenditure on Fruits (figures in 100 million)
Average undergraduate tuition and fees and room and board rates
These figures are inflation adjusted and look how just the tuition fees have increased compared to the Dorm and Board rates
Now comparing the rate increase for 2-year program
So for the 2 year program, the board rates have remained at the same level compared to the dorm rates.
Now check out the interesting graph for 4 year program below
OUG Ireland Call for submissions is now open.
The closing date for submissions is 5th January, 2015.
and the submission webpage can be found here.
The OUG Ireland conference will be on Thursday 19th March. Yes it is only a one day conference :-( but we will be 5 or 6 or more streams. So there will be something for everyone and plenty of choice.
On Friday 20th March we will have Maria Colgan, formally (more...)
With the release of the Oracle Database 184.108.40.206 there was a number of new features and options. Most of the publicity has been around the in-Memory option. But there was lots of other features for the DBA and a few for the developer.
One of the new SQL functions is the APPROX_COUNT_DISTINCT(). This function is different to the tradition count distinct, COUNT(DISTINCT expression), in that is performs an approximate count distinct. (more...)
When Oracle Data Miner (ODMr) 4.0 (which is part of SQL Developer) came out back in late 2013 there was a number of new features added to the tool. One of these was a Graph node that allows us to create various graphs and charts that include Line, Scatter, Bar, Histogram and Box plot.
I've been using this node recently to produce graphs and particularly scatter plots. I've been using the scatter plots to (more...)
The stack bar gives a total view of the killings and how it has grown over the years
By comparing the killings on a line chart we see that the female Deer killings has an uptick from 2008 onwards
iCasualties.org maintains documented list of all fatalities for Iraq and Afghanistan wars.
Analysing the USA dataset, we summarize the results by the year
We are approaching the levels of 2002 and hope for the best that we don’t have to suffer another wars.
Here is another view by year and month
The dataset contains the age of each (more...)