Oracle Database 10g Developer 6i Settings For Arabic Urdu Support Work 【2026 Release】

Oracle Database 10g / Developer/Forms 6i — Settings for Arabic & Urdu Support

Below are concise, actionable steps to configure Oracle 10g and Developer/Forms 6i so Arabic and Urdu (right-to-left, complex-script) text displays, stores, and processes correctly.

3.1 Windows Registry Settings (NLS_LANG)

The NLS_LANG parameter on the client machine (where Forms/Reports Builder is installed) is critical. It informs the Oracle client how to translate data between the database and the application. Oracle Database 10g / Developer/Forms 6i — Settings

Location: HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\KEY_DevSuiteHome (Path may vary based on installation home name). Value Name: NLS_LANG Value Data: AMERICAN_AMERICA

Recommended Setting:

Value Name: NLS_LANG
Value Data: AMERICAN_AMERICA.AR8MSWIN1256

Rationale: Developer 6i does not support AL32UTF8 natively as a client character set. If the database is AL32UTF8, the client NLS_LANG should typically be set to AR8MSWIN1256. This forces the Oracle Net layer to perform the translation from the database Unicode to the Windows Arabic code page used by the Developer tools. Rationale: Developer 6i does not support AL32UTF8 natively

3. Client & Middle-Tier Configuration (Developer 6i)

Developer 6i relies heavily on Windows Registry settings and environment variables to determine how to interpret and render data.

1) Character set selection (database)

Use a Unicode character set—preferably AL32UTF8. If creating a new database:
- CREATE DATABASE ... CHARACTER SET AL32UTF8;
If the DB already exists and is not Unicode, plan a character-set conversion using Data Pump export/import or RMAN/transportable methods; do NOT use ALTER DATABASE CHARACTER SET for non‑trivial conversions.