Agoda has integrated GPT into its CI/CD pipeline to optimize SQL stored procedures, significantly reducing the manual effort required for performance analysis and improving approval times for merge requests. By providing actionable insights for performance issues, query refinement, and indexing suggestions, GPT has enhanced the efficiency of database development workflows at Agoda.

The article discusses a common data engineering exam question focused on optimizing SQL queries with range predicates. It emphasizes adopting a first principles mindset, thinking mathematically about SQL, and using set operations for improved performance. The author provides a step-by-step solution for rewriting a SQL condition to illustrate the benefits of this approach.