Dive into a comprehensive conference talk on SQL Server performance tuning tailored for newcomers and those looking to expand their knowledge. Explore a survey of worst practices that negatively impact SQL Server performance through demo-filled presentations. Cover a range of topics suitable for both DBAs and developers, including server configuration mistakes, T-SQL parallelism, and TempDB issues. Gain valuable insights and tools to kickstart your journey as a performance tuning specialist. Learn from Andy Yun's expertise in this 1 hour and 22 minute session recorded at PASS Summit 2020, designed to equip you with essential knowledge for identifying and addressing hidden performance killers in SQL Server environments.