Success is about Imagination

I use fio for all my I/O testing. Why not Orion from Oracle since almost all of my I/O testing and benchmarking has been geared toward...

http://martinfowler.com/bliki/NoDBA.html Why did NoSQL arise?  The rise of NoSQL makes no sense if you read an article like “Why You...

I’ve run into the wait “kksfbc child completion” a few times over the past but found very little written about it. I don’t have an...

Redo Redo is written to disk when User commits Log Buffer 1/3 full (_log_io_size) Log Buffer fills 1M Every 3 seconds DBWR asks LGWR to...

I’ve always wanted some sort of calendar view of load where I could see patterns across the same days of the week and same hours of the...

The big data phenomenon threatens to break the existing data supply chain (DSC) of many information providers, particularly those whose...

I sometimes want to import AWR repositories from cloned databases to compare performance differences between the databases which should...

“Any improvement not made at the constraint is an illusion.” – Gene Kim paraphrasing “The Theory of Constraints” What is the constraint...

There have been a number of questions coming my way about Delphix versus snapshot technologies. The capabilities of Delphix can be...

“If I can’t picture it, I can’t understand it.” – Albert Einstein Along the same lines “It is impossible to even think without a mental...

Was emailing with my esteemed college John Beresniewicz at Oracle in the OEM group. John and I worked together on OEM 10g and thank...

What is one of the most daunting issues in IT departments now?  What kind of database issue can end people up in orange jump suits and...

Had a machine running the default database from the Oracle 11.2.0.3 installer. This instance was called o1123. I then created a second...

To drive revenue and growth, companies are constantly improving existing applications or creating new ones. This ongoing application...

How long does your financial close take? How long would you like it to take? How much access do your internal business analysts have to...

OEM just seems to have too many brittle esoteric configuration files and process dependencies. Ideally I just want to connect with...

How does the STA work in 11gR2 with the query from “Oracle’s SQL Tuning Pack – part II″ ? In Part II, the STA in 10g proposed a new...

Above is the AAS load produced by three runs of the same batch. There are 3 distinct humps labled ORIGINAL, STA TUNED and DBO TUNED . The...

Have you used Oracle’s SQL Tuning Pack? What were your experiences like? At my last consulting gig 2 out 3 statements I “tuned” with the...

I hear this from time to time: “Can’t I create a database copy in seconds with a file system snapshot?” First let’s take a step back....