QUERY OPTIMIZATION AND QUERY PLANNER MECHANISMS IN POSTGRESQL: PERFORMANCE ANALYSIS AND PRACTICAL IMPLEMENTATION. Journal of Multidisciplinary Sciences and Innovations, [S. l.], v. 5, n. 03, p. 1088–1093, 2026. DOI: 10.55640/. Disponível em: https://ijmri.de/index.php/jmsi/article/view/6414. Acesso em: 16 mar. 2026.