Bryan's Oracle Blog

I've been starting to work with Extended statistics to help the optimizer find the best plan. This is a great feature that is outlined ...

I wanted to write up an Exadata tip that I learned. Background :  I wanted to do a simple "select count(1) from mytable".  myta...

While finishing up a few things, I ran across a query that wasn't playing nicely. It had 4 different plans over the course of the l...

I came across this while doing some dbreplays, and found it very useful. First, lets say you have a RAC cluster,  and you want to do so...

Well, I have decided to make a change and take a job with oracle.  I am very excited about this move, and I look forward to being more invo...

In trying to find out the cause of a DBFS issue, I learned what is expected (or helpful) when working with Support on DBFS issues. 1)  L...

I just ran into an issue on DBFS where I ran out of space. First here is the df -k Filesystem 1K-blocks Used Avai...