Success is about Imagination

Re-engineering Your Database Using Oracle SQL Developer Data Modeler 3.1 Learn how to use SQL Developer Data Modeler to import your...

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...

I’ll be speaking on Mon, Wednesday and Thursday: Boosting performance on reporting and development databases April 8, 2:30-3:30pm (Mile...

Here is my list and everything on this list is excellent. I’m sure I missed a few good ones, but maybe people can add them in the...

Kicking the Tires on Delphix Live webcast: Jonathan Lewis  – An Oracle Expert’s Look at the Delphix Technology Jonathan Lewis came out to...

Introduction When there is a disparity in reported I/O latency between the NFS server and Oracle database on the NFS client the question...

by Matt Hayward In collaboration with Kyle Hailey, Adam Leventhal, and others I’ve learned some rules of thumb for how to make accurate...

Delphix allows companies to make copies of Oracle databases in minutes with  almost no storage overhead by sharing all the duplicate data...

Mogens presenting in a bathrobe before 800 people Lots of good presentations, discussions and interactions with people at RMOUG. Kudos...

I’ve mentioned lab 128 before but I have to mentioned it again. Every DBA should know about this tool. It’s the fastest way to connect to...

Ask Jonathan about Delphix at http://jonathanlewis.wordpress.com/2013/02/06/delphix/ Jonathan Lewis has graciously accepted an offer to...

Every so often a DSS query that usually takes 10 minutes ends up taking over an hour.  (or one that takes an hour never seems to finish)...

Slides available at: Database Virtualization and Instant Cloning Thanks to Marcin Przepiorowski  for editing videos and Tim Gorman for...

One thing that I have found sorely missing in the performance pages of Enterprise Manager is latency values for various types of I/O. The...

This past year I joined up on the board of the Northern California Users Group (NoCOUG) and am excited to help the NoCOUG team bring...

Nicer formating at https://sites.google.com/site/oraclemonitor/r-slicing-and-dicing-data R data types Converting columns into vectors...

I wanted to plot a set of data by 3 dimensions. I wanted to plot I/O read latency by MB/s throughput by number of concurrent readers....

If one is seeing  ‘enq: TX – row lock contention’ there could be a lot of reasons. One distinguishing factor is the lock mode. If the...

Here is a short video D3 Show Reel from Mike Bostock on Vimeo. Here is a longer tutorial video Data-driven Documents from London Web...

The human brain works so well because it calculates outcomes as it takes actions feeding back the current results compared to the...