old-hash, SHA-1, SHA-2/512

Until pretty recently, only the dubious unsalted proprietary algorithm was available to store Oracle passwords. A bunch of tool where at the time able to decode any 6-8 characters in no time, and the rainbow approach was to precalculate all possibles passwords for a specific user. Those time are not really for away, only starting […]

Oracle Certification Portal

On the certification portal, http://certview.oracle.com you can now view your certification. This replace the original Sun Certmanager (used to be certmanager.net/sun) and it provides you an interface to publish your information to third parties. Both Sun and Oracle Certifications are visible. If you publish your information, your recipient will receive a link that will show […]

shutdown timeout

I do not like shutdown abort (see this post). I always use shutdown immediate and it always work… well almost always. Today I discovered a 9iR2 new feature : shutdown timeout ! Shutdown Timeout If all events blocking the shutdown do not occur within one hour, the shutdown operation aborts with the following message: ORA-01013: […]

OCM 11g upgrade

Last Friday I went to Munich for THE upgrade exam. I have a few recommendations based on my preparation. DISCLAIMER: no recommendation is based on the exam Check you have a similar environment. You will get 11gR1 database and 10g entreprise manager. Personnaly I did my preparation on 11gR2 and 11g/12c em, I did not […]

Difference between Paris and Zurich

When I was a child, I used to go skiing in the alps, and occasionaly cross the borders. I remember that late in the season (Eastern skiing) restaurants were already empty in France when we had lunch, because our neithbough countries introduced summertime before us. It is a long way back, namely summers 1976 to […]