ADABAS to PostgreSQL Migration — CODATA
Context
CODATA had been running payroll systems on ADABAS/Natural for over 15 years, with growing risks of obsolescence and a shrinking pool of qualified professionals.
Challenges
- Database with millions of records running in production 24/7
- Business rules embedded in Natural programs
- Regulatory deadline for eSocial compliance
Mythus Approach
- Full mapping of the ADABAS schema and Natural business rules
- Development of an automated conversion layer
- Incremental migration with cross-validation at each batch
- Parallel execution without disrupting ongoing operations
Results
- Zero downtime throughout the migration
- 60% reduction in licensing costs
- eSocial compliance achieved on schedule