FairCom RTG transforms COBOL and Btrieve applications by effectively substituting their original file systems with FairCom's sophisticated database engine, which boosts reliability, scalability, and performance while keeping the existing code intact. This solution provides real-time read/write capabilities to live data via modern APIs such as JSON and SQL, streamlining business analytics and reporting without necessitating extra coding efforts. Enhanced features like hot backups, automatic recovery, and ACID-compliant transactions significantly bolster data integrity and system uptime. Furthermore, FairCom RTG accommodates vertical scaling for thousands of users and horizontal scaling through replication to enhance reporting, failover, and overall availability. The newest release showcases a JSON DB API, simplifying the management of COBOL data with straightforward JSON commands, along with Hot Alter Table functionality that allows immediate schema changes without the need to rewrite existing records. In doing so, it provides businesses with the tools they need to adapt swiftly to changing requirements and maintain optimal performance.