Strategic Migration from Oracle to PostgreSQL: Technical Foundations, Cost Implications, and Operational Frameworks for Reliable Enterprise Databases . Emerging Indexing of Global Multidisciplinary Journal, [S. l.], v. 4, n. 11, p. 69–77, 2025. Disponível em: https://grpublishing.net/index.php/eigmj/article/view/20.. Acesso em: 15 mar. 2026.