Before adjusting database settings, the host operating systems must be capable of processing, rendering, and accepting keyboard layouts for complex RTL scripting.
DECLARE v_check VARCHAR2(100); BEGIN v_check := :block.urdu_field; -- Basic check for Urdu Unicode range (U+0600 to U+06FF) IF NOT REGEXP_LIKE(v_check, '[\u0600-\u06FF]') THEN MESSAGE('Please enter Urdu/Arabic text only'); RAISE FORM_TRIGGER_FAILURE; END IF; END;
The operating system must support Right-to-Left (RTL) languages. Control Panel Regional and Language Options Install Urdu/Arabic language support. Set the system locale to Arabic (Saudi Arabia) Urdu (Pakistan) Restart the computer. Oracle Forums 3. Oracle Developer 6i Settings
In the tab, add your preferred Arabic and Urdu keyboard layouts. Set the system locale to Arabic (Saudi Arabia)
The NLS_LANG parameter is the most critical setting. It tells the Developer 6i runtime how to encode and decode data sent to the database. This must be set in the Windows Registry of the client machine. Open the (regedit).
The final hurdle was the UI. In the Forms 6i Builder, he meticulously changed the Reading Order
This guide outlines the step-by-step configuration required at the database, operating system, and client registry levels to achieve seamless Arabic and Urdu support. 1. Database Level Configuration The NLS_LANG parameter is the most critical setting
Developer 6i relies on Windows registry settings to interpret data correctly.
Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE (or HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\ORACLE on 64-bit Windows). Locate the NLS_LANG string value. Modify NLS_LANG to: ARABIC_EGYPT.AR8MSWIN1256 .
Oracle Developer 6i relies heavily on the underlying Windows operating system APIs to render fonts and handle right-to-left complex scripts. Open the on the client machine. Go to Clock, Language, and Region > Region and Language . Before adjusting database settings
Cons:
Navigate to (for Developer 6i on Windows 10/7/XP):
(Character Set Scanner) from Oracle 10g utilities:
To display bidirectional text properly inside Forms runtime, individual item properties and environment variables must be managed. Developer 6i Runtime Environment Variable
Correct data storage is insufficient without correct visual rendering. Developer 6i Forms require specific property changes at the Item and Canvas levels.