Ranko Mosic

Many products are available as open source or proprietary products that can handle Big Data. Which one is best fit for this task? Today's classic RDBMSs and tools are able to quickly load the data, process it and present results in an easy to understand format.  You can use SQL o... (more)

Vertica is high-performing, advanced RDBMS that is very simple to install and administer, thanks to the its modern design and purpose built architecture. Once we execute all preparatory steps on database servers and download Vertica software as per Installation Guide, we are start... (more)

Classic, proprietary relational database management systems are slowly drifting towards where elephants end up. They are all based on decades old code base (System R) that was designed for then-prevalent single-node, disk based computer architectures. Classic, proprietary RDBMSs ... (more)

Hadoop is designed to store extremely large volumes of data. HBase, an open source NoSQL data store, makes it possible to randomly access such large data sets. HBase is included in Cloudera's Hadoop distribution. One of the major obstacles to a wider adoption of NoSQL databases is... (more)

Hadoop and AWS are enterprise ready cloud computing, distributed technologies. It is straightforward to add more DataNodes i.e. storage to Hadoop cluster on AWS. You just need to create another AWS instance and add a new node to Hadoop cluster. Hadoop will take care of balancing... (more)

Sqoop makes it very easy to transfer data between Oracle and Hadoop using a single command. The reason why we would want to import data from an Oracle database into Hadoop/Hive is that we might want to join Hive tables with Oracle lookup tables, or other data residing in Oracle d... (more)

Oracle Fusion Applications Provisioning is the überinstaller for OFA. Based on your input and its knowledge about OFA dependencies it will prepare and deploy OFA components to appropriate target locations. Provisioning Plan is driving the installation process. It is created when ... (more)

Oracle Forms and Reports are Fusion Middleware components needed for OFA installation. Forms is a GUI tool used to develop, generate and run database front end applications. Reports is a GUI tool used to develop, generate and run database reports. For the purposes of Oracle Fusio... (more)

Oracle HTTP Server provides HTTP listener services for Oracle WebLogic. Once you download software ( it is a part of Oracle Fusion Middleware 11g Media Pack; HTTP server resides in Oracle Fusion Middleware Web Tier Utilities 11g DVD ), unzip it and run installer you will be prese... (more)

Oracle Identity Management is a component of Oracle Fusion Middleware and part of the Oracle Fusion Applications infrastructure. Its purpose is to manage user identities across the enterprise. We are going to install Oracle Internet Directory 11g (OID), Oracle Virtual Directory 1... (more)

Oracle Fusion Applications is a very complex product that relies on a number of components. One of them is Oracle Fusion Middleware for Oracle Identity Management, which in turn is built using Oracle Forms, Reports, WebLogic, HTTP server and other products. Here we are briefly de... (more)

The Oracle Fusion Applications Repository Creation Utility (Applications RCU) creates applications-specific tablespaces and schemas. According to the OFA installation manual: The Applications RCU loops through all the middleware components in the component definition file and ap... (more)

Oracle announced the general availability of Oracle Fusion Applications at Oracle Open World 2011. Oracle Fusion Applications is the next generation Oracle ERP that will gradually replace the existing Oracle E Business Suite, Peoplesoft, JD Edwards, Siebel and other products that... (more)

Amazon recently added Oracle database hosting capabilities to its RDS service offering. You can rent an Oracle database related infrastructure in a pay-as-you-go fashion now. We are going to explore if corporations should be utilizing Amazon AWS Oracle Database related services (... (more)

DR sites are typically built as an exact replica of the primary site. Application and database software is installed on DR site and sits there mostly unused, waiting for a disaster to happen. DR site is very expensive proposition than only large companies are able to afford. Amaz... (more)

Big shift towards Cloud environment has started. It is now clear that this change is similar in magnitude to the shift from mainframe to client-server computing two decades ago. Amazon Web Services is the pioneer and market leader in Cloud computing space. Other vendors are play... (more)

AWS is built on commodity hardware and it is software virtual machine based. AWS documentation states that: It's inevitable that EC2 instances will fail, and you need to plan for it. As a rule of thumb, you should be a pessimist when designing architecture for the cloud. That me... (more)

Amazon Web Services EC2 Cloud is full scale public data center offering services that are in many aspects far ahead of ancient practices present in regular IT environments. Fast provisioning and virtually unlimited scale make old fashioned server procurement and installations loo... (more)

The traditional way of performing backups includes using Oracle RMAN in combination with media management layer software ( typically Netbackup, Tivoli or similar ), which writes backup data to remote robotic tape unit. Tapes are then stored offsite to a secure location. It is wel... (more)

Amazon Web Services is a global IT infrastructure platform that runs even the most demanding, mission critical corporate applications and databases. Industry heavyweights like Oracle and Microsoft are trying to catch up with the Cloud technologies that AWS started pioneering back... (more)