Paul White (@SQL_Kiwi) is an independent SQL Server technical consultant with 20 years experience, specializing in performance tuning the SQL Server Core Engine, and is well known for his expertise in execution plans, the query processor, and the query optimizer. Currently living in New Zealand, Paul writes the SQL Server internals blog Page Free Space.
Over the years, Paul has worked internationally on a number of high-volume critical systems where ultimate performance and reliability were the primary goals. A SQL Server MVP since 2011, he contributes regularly to a range of web sites and forums, including Database Administrators Stack Exchange. Paul has also spoken at a variety of user groups and community events such as SQL Saturdays and the annual SQL Pass Summit.
Paul White (@SQL_Kiwi) dives deep into new execution plan information introduced in SQL Server 2012; specifically, thread reservation and usage information for parallel plans.
Paul White (@SQL_kiwi) talks about a regression in the optimizer's handling of aggregates against partitioned tables when moving from SQL Server 2005 to SQL Server 2008+.
Paul White (@SQL_Kiwi) continues his discussion about optimization and how recognizing transformations can help you make better decisions about potential query re-writes.
Paul White (@SQL_Kiwi) makes some great points about limitations in SQL Server's optimizer, and things you need to watch out for, when it comes to filtered indexes.
