The Challenge

The bank's core transactional database ran on proprietary Oracle Exadata hardware with annual licensing fees exceeding $1.2M. The system required 24/7 uptime for online banking, mobile apps, and ATM networks.

Flexsys Technologies Solution & Approach

Flexsys Technologies executed a zero-downtime database migration strategy using AWS SCT and DMS. We converted 450+ stored procedures, optimized complex SQL queries, and established a multi-master PostgreSQL cluster with synchronous replication and automated failover.

Key Deliverables & Implementation

  • Complete Schema & Stored Procedure Conversion to PL/pgSQL
  • High-Availability PostgreSQL Cluster with Patroni & repmgr
  • CDC (Change Data Capture) real-time replication pipeline
  • Automated backup verification & disaster recovery drill protocol

Related Service Alignment

This success story highlights our expertise in Data & Database Solutions. Explore how Flexsys Technologies can deliver similar transformation for your enterprise.