Have you ever had an execution plan change for no apparent reason? Have you ever wondered why the optimizer kept getting the selectivity for correlated columns wrong? Have you used bind variables and had the optimizer peek one value that produces a plan that is suboptimal for all other values? Worried about upgrading to Oracle Database 11g? This panel session, which includes members of the Optimizer Development Group, addresses each of these topics in a Q&A forum. To make the hour as productive as possible, the panel needs to have your questions written on a card and handed in at the beginning of the session. The panel will not debug your system, discuss specific bugs, or port specific problems.
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