Please find below some of the most popular articles I've written on Guide To Oracle.

With the nascent advent of NoSql, cloud computing and slick new databases, we seem to have forgotten from whence we came. I went to a conference recently on the open source search product Solr/Lucene. One of the keynote speakers, Chief Data Scientist of HortonWorks, discussed what turned him to NoSQL databases, in this case, a [...] Read More...

When installing Ubuntu or other 64 bit operating system on VirtualBox, you may receive the following error: "This kernel requires an x86-64 CPU, but only detected an i686 CPU. Unable to boot - please use a kernel appropriate for your CPU." To fix this error, recreate the virtual machine. On the “Create New Virtual Machine” [...] Read More...

I’ve built several reporting systems where work was divided evenly between a charting UI and database scripts – an ETL job, report sql, and database schema. It’s nice to divide work between UI and database developers to take advantage of specialization, but not having data is always an issue for the first week or two [...] Read More...

Creating a 64 bit Ubuntu VM on Virtual Box results in the following error: VT-x/AMD-V hardware acceleration has been enabled, but is not operational. Your 64-bit guest will fail to detect a 64-bit CPU and will not be able to boot. Please ensure that you have enabled VT-x/AMD-V properly in the BIOS of your host [...] Read More...