ALL POSTS

Opening the Door without the Keys

This week my DBA team satisfied a request to restore 1 month old lost data.  A review of the RMAN backups showed that we indeed had a valid level 0 from the requested day which was 33 days ago.  However, upon recovery, the necessary archive logs to bring the database to a consistent point, were…

The undocumented status “M” of an RMAN backup

It is not uncommon for Oracle to have something undocumented , and this is just another case of this ailment. We have a database in which we have two copies of the same backup, one we keep in the FRA, the other one in an external disk, which from time to time gets deleted from…

MetaCPAN JavaScript API

Sometimes, it’s humongous revolutions. Most of the time, it’s an itsy bitsy evolutionary steps. Today’s hack definitively sits in the second category, but I have the feeling it’s a little dab of abstraction that is going to provide a lot of itch relief.

Data Types and How They Affect Performance

When I was in high school, my practical arts teacher asked us to create a miniature of a structure. This meant looking at the blueprints of an existing structure and using it to create a small replica. I thought that this would be a great opportunity to learn more about reading blueprints and understanding what…

IOUG Collaborate 2013 Wrap-Up

Personal highlights from Collaborate 2013 in Denver. Discussion of networking with old and new friends, technical sessions (performance forecasting and multi-block read internals) and the Pythian RAC Attack class.

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