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Ranko Mosic

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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 (EC2, RDS ), how it should be used, where possible savings and potential trouble points are. With services like Amazon AWS it doesn't matter where your hardware and software physically is - it could be in a room next to you or in some other country. It is much easier and cheaper to procure and get new servers up and running. What's Really New? You swipe your credit card and get an Oracle database server up and running in half an hour. Sounds like magic, especially if you compare it to the weeks and months it normally takes to have an Oracle database server operational in an average enterprise ... (more)

Oracle RMAN, BMC Patrol Catalogs Hosted in Amazon Cloud

Oracle RMAN  (Recovery Manager) catalog database contains backup metadata for all enterprise wide Oracle databases. Each database backed up through RMAN needs connection to a central backup repository database. RMAN catalog  is purged and maintained by removing obsolete backup records, crosschecking with existing media etc. If central repository grows too big then backup performance will suffer since it will take too long for RMAN to locate metadata. Amazon Web Services gives us the ability to quickly and easily create either brand new RMAN catalog database or move an existing c... (more)

Oracle Fusion Applications - Installation and First Impressions (Part 1)

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 Oracle either acquired or developed inhouse. According to Larry Ellison it took Oracle six years to develop and finalize this product. If you look at the Oracle E-Delivery Oracle Fusion Applications download page one of the reasons why it took so long becomes obvious - product comes on 24 DVDs - total si... (more)

Column Store, In-Memory, MPP Databases and Oracle

( For latest information on Oracle 12c database update please refer to the following article: Oracle 12c Database and How It Relates to SAP Hana ) RDBMSs are stable and mature products. While there is nothing radically new on horizon that would challenge Codd's relational theory and related advances in data processing there are some developments that force established vendors like Oracle to come up with new features and products. Column Stores and Oracle Column store concept has been around for quite a while. Vendors like HP Vertica grabbed some market share in data warehousing seg... (more)

Importance of Having DR Procedures

A recent BlackBerry outage is the nightmare for both RIM and its users. Nature and mass popularity of Blackberry service  make this particular outage highly visible. There are many other in-house outages we never hear about. Companies prefer to keep silent about them, if they can. The only insight we get into the poor state of DR procedures is in some public cases like this one, or from limited personal experience. In my Oracle database infrastructure consulting career I have seen several serious production outages and was part of a few data recovery efforts. Backups and DR proc... (more)