Daniel Costa, Danyllo Albuquerque, Bruno Moreno, and Emanuel Dantas. 2026. Zero-Shot, Few-Shot, or Chain-of-Thought? An Empirical Study of Prompting Strategies for LLM-Guided SQL Query Optimization. In Anais do V Workshop Brasileiro de Engenharia de Software Inteligente, setembro 11, 2026, São Paulo/SP, Brasil. SBC, Porto Alegre, Brasil, 37-42. DOI: https://doi.org/10.5753/ise.2026.32833.