Compatibility boundaries
| Client library | Deployment name/version and component expectations. |
|---|---|
| SQL/dialect | Reserved words, type behavior, joins and parameter semantics. |
| Transactions | Isolation, retaining behavior and long-lived datasets. |
| Character sets | Database/connection encoding and existing byte interpretation. |
| Server logic | Generators, triggers, procedures and exceptions. |
Phased migration
- Restore a verified database copy on the target version.
- Validate metadata and data independently.
- Test a controlled Delphi client with updated libraries.
- Reconcile critical queries and transactions.
- Deploy reversibly before broader application modernization.
Use InterBase maintenance, database migration, Delphi modernization and the database pillar.
Provide database/source backups, versions, client components, character sets and representative operations.