- You can find an overview of the scripts used during the Webinar in the "Notes" section on the first slide of the Powerpoint presentation

- The same section also lists various links to blog posts that are helpful and have been mentioned during the Webinar

Clustering Factor Demo: concurrent_execution_inserts_testcase.sql, concurrent_execution_inserts_check_results.sql

Frequency Histogram Demo: frequency_histogram_egde_case.sql

Height Balanced Histogram Demo: histogram_limitations_testcase.sql

Daft Datatypes Demo: daft_data_type_example.sql

Implicit Datatype Conversion Demo: implicit_datatype_conversion_nvarchar_scratchpad.sql

AllThingsOracle.com: http://allthingsoracle.com/author/randolf-geist/

Blog post “What-If Analysis Clustering Factor”: http://oracle-randolf.blogspot.de/2010/01/clusteringfactor-what-if-analysis.html

Blog posts “Fake Histograms”: http://jonathanlewis.wordpress.com/2010/03/23/fake-histograms/
                              http://jonathanlewis.wordpress.com/2009/05/28/frequency-histograms/
                              
Limitations of histograms: http://oracle-randolf.blogspot.de/2009/01/limitations-of-histograms-rounding.html

Successful Dynamic Sampling on rare / clustered values: http://allthingsoracle.com/dynamic-sampling-iii-real-life-data-part-ii/

Further links to address questions that popped up during the Q&A: 

10g to 11g Upgrade: What to expect from the Optimizer: https://blogs.oracle.com/optimizer/entry/what_happened_to_the_optimizer_white_papers_on_otn

Gathering statistics on partitioned tables: http://jonathanlewis.wordpress.com/2010/03/17/partition-stats/
                                            http://oracledoug.com/serendipity/index.php?/archives/1590-Statistics-on-Partitioned-Tables-Contents.html

Some notes on the limitations of Adaptive Cursor Sharing, that was introduced in 11g to address the problems of Bind Variable Peeking and shared cursors (histograms are one popular threat in that category): http://oracle-randolf.blogspot.com/2011/01/adaptive-cursor-sharing.html