How to Install Virtualbox Guest additions for Oracle Enterprise Linux 6

  This tutorial leads straight on from ‘How to install Oracle Enterprise Linux 6 on Virtualbox’ and assumes that you have a clean install to work from. If you haven’t installed OEL6 or have any problems with this tutorial, I recommend that you follow that tutorial before this one. So, in virtual box, Guest additions gives you some cool …

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How to install OEL6 on Virtualbox

Virtualbox is Oracle’s solution to visualization and as such it is very powerful. It is similar to VMware as it has much the same capabilities and you can run servers through it on an enterprise level. For the purposes of experimenting with operating systems and learning Oracle, it gives us some amazing benefits and makes …

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What is Oracle Exadata

Notes: Data appliance Server with preinstalled and pre optimised database Hardware designed to work with the database software specifically Pre configured clustered database server Exalogic is a preconfigured clustered application server Exadata is a pre configured clustered database server There are other products but they are targeted at OLAP specifically (read rather than write) Exadata supports OLTP and OLAP The first …

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Perspectives on Exadata

This is a great discussion on and around Oracle Exadata by 2 performance tuning experts.     Notes: A very relaxed presentation on the ins and outs of Exadata from a performance tuning and optimization perspective.Skip to about 10 mins in to get past the introductions.Exadata isn’t a solution to all performance problems. You can …

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The Oracle Redo Log

One of the most important ideas in Oracle is that your data is safe. It is protected from corruption and also from system crashes. One of the most important ways that it does this is through the Redo logs. A Redo log record is written to describe the changes every time some data is changed …

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