Bryan's Oracle Blog

I am am working in standing up a cluster of 2 database servers that look an aweful lot like an exadata 2-8 (only without the infiniband)..  ...

Well, I have often written about cardinality feedback, and I have been striving to find out more detail on how it works, how to determine wh...

For finding out what happened with queries, here are my 2 favorite queries.. For searching the awr and previous executions select * from ...

DBreplay vs SPA (SQL Profile Analyzer) ...

Well,   I have been playing with dbreplay, and trying to re-run a production workload.  In order to capture a production workload, I don...