Ami Levin is a Microsoft SQL Server MVP, with over 20 years of experience in the IT industry. For the past 14 years he has been consulting, teaching and speaking on SQL Server worldwide. He manages the Israeli SQL Server user group, moderates the local MSDN SQL Server support forum, and is a regular speaker at Microsoft conferences. Levin’s areas of expertise are data modeling, database design, T-SQL and performance tuning. He blogs and publishes regularly on sql-server-tuning.com.