Bryan's Oracle Blog

Finally on the exadata, and I make a simple mistake in the login script.  First I logon to the exadata, and I can start and stop the defau...

 Every so often this question comes up... "Why don't we do extended RAC ?"     Well here is some of my answer as to what we...

Recently I have run into some performance issues, and trying to track down the cause has been a challenge.  It wanted to share a valuable le...

Here are the recommendations I have for working nicely with Cardinaly feedback. 1) Make sure your statistics are accurate. 2) Try to use...

I have been fighting cardinality feedback issues all week, and I wanted to document an example of cardinality feedback in action. First tak...

My big challenge this week was an 11g database that wouldn't behave.  I'm sure you've been there.. Getting frustrated by a datab...

In my free time this week I have been playing on the exadata.  The first thing I wanted to determine is the compression ratios for my data, ...