Even with the correct registry settings, the UI components need to be told to behave in a Right-to-Left (RTL) manner. Forms Runtime Settings
The storage layer must support the characters. Even with the correct registry settings, the UI
You can check your current database character set by running: SELECT * FROM NLS_DATABASE_PARAMETERS WHERE PARAMETER = 'NLS_CHARACTERSET'; Phase 2: Configuring NLS_LANG Settings Even with the correct registry settings