Case Study: Sefaz-RJ achieves faster, data-driven tax management with Oracle Exadata Cloud@Customer

The State Finance Department of Rio de Janeiro uses Oracle Exadata Cloud@Customer to boost system performance by 30X

Sefaz-RJ, the State Finance Department of Rio de Janeiro, needed to modernize its tax back office to handle large data volumes and improve analytical performance for data-driven decision-making. As Brazil’s third-largest tax institution, it was looking to overcome processing and storage constraints while supporting economic studies and fiscal policy planning, and it chose Oracle Exadata Cloud@Customer to help address these challenges.

With Oracle Exadata Cloud@Customer, Sefaz-RJ improved continuity for transactional and analytical workloads, gained single-dashboard system monitoring, and strengthened security with multifactor authentication. Oracle helped deliver 99.9% availability, a 30X reduction in query execution time, and the migration was completed in under 18 months, enabling faster studies, better infrastructure scaling, and improved operational performance across tax services and planning.