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This session will demonstrate how SQL Server execution plans can be used to identify problems with the database design, or the TSQL code, and address those problems. The session takes the user through various common issues such as poor or missing indexes, badly written code and generally bad query performance, demonstrating how to identify the issues involved using execution plans. The session will then demonstrate methods for addressing the issues and show how the fixed query's execution plans differ. Multiple methods for accessing execution plans including GUI, DMV's, and trace events are demonstrated. This lays a foundation for a general troubleshooting approach to empower the attendee to make their own queries run faster.