It's webinar time again! On March 26, Embarcadero will once again provide sponsorship for my webinar entitled "Back to the Future: Mining AWR Data for Oracle SQL Performance".
Most of us have been in the situation where, for no apparent reason, performance for key SQL takes a nose-dive after (more...)
There were quite a few questions asked during the webinar yesterday that I didn't have time to answer online. So, here's the list of questions from the webinar transcripts with my answers. In some cases, I combined several similar questions and gave a single answer. Hope it's helpful!1. Can (more...)
Thanks to everyone for attending today's webinar on Understanding Oracle Optimizer Statistics sponsored by Embarcadero Technologies. I appreciate everyone who took time to join me today and hope you found it informative.
The webinar recording will be posted within in the next couple of days, but you can download the (more...)
Embarcadero is sponsoring another Oracle Community webinar on
(rescheduled) February 5 conducted by yours truly. Register
for Understanding Oracle Optimizer Statistics and join me as I cover
- Oracle optimizer statistics fundamentals for computing cardinality/selectivity on single and multi-column predicates.
- How statistics can help the optimizer understand data distribution (more...)