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The AD_SUPPORTED_LANGUAGES table in Oracle E-Business Suite (EBS) 12.1.1 and 12.2.2 is a critical repository table that stores information about languages supported by the application. This table is part of the Application Object Library (AD) module, which serves as the foundation for Oracle EBS, managing core functionalities such as security, concurrent processing, and multilingual support. The table plays a pivotal role in enabling Oracle EBS to operate in a global environment by defining language-specific configurations, translations, and regional settings. ### **Structure of AD_SUPPORTED_LANGUAGES** The AD_SUPPORTED_LANGUAGES table contains columns that define language attributes, including: - LANGUAGE_CODE: A unique identifier for each language (e.g., US for American English, D for German). - NLS_LANGUAGE: The National Language Support (NLS) parameter that maps to Oracle Database language settings (e.g., AMERICAN, GERMAN). - NLS_TERRITORY: Specifies the geographical region associated with the language (e.g., AMERICA, GERMANY). - BASE_LANGUAGE: Indicates whether the language is a base language (e.g., Y or N). Base languages are fully translated, while others may have partial translations. - INSTALLED_FLAG: Determines whether the language is installed in the EBS instance (Y or N). - DESCRIPTION: A human-readable name for the language (e.g., "English (American)", "Deutsch"). ### **Functional Role in Oracle EBS** 1. **Multilingual Support (MLS)**: The table enables Oracle EBS to support multiple languages, allowing users to interact with the system in their preferred language. Applications like Forms, Reports, and Self-Service modules rely on this table to display translated content. 2. **Language Installation & Patching**: During installation or patching, Oracle EBS references AD_SUPPORTED_LANGUAGES to determine which language packs to apply. The INSTALLED_FLAG column helps administrators track installed languages. 3. **NLS Settings Integration**: The NLS_LANGUAGE and NLS_TERRITORY columns align with Oracle Database NLS parameters, ensuring consistent language behavior across the application and database layers. 4. **Translation Management**: Tools like Oracle Translation Manager use this table to identify languages available for translation workflows, ensuring that customizations and extensions comply with multilingual requirements. ### **Key Differences Between EBS 12.1.1 and 12.2.2** - **Unicode Compliance**: EBS 12.2.2 enforces Unicode (AL32UTF8) as the mandatory character set, improving support for multilingual data. The AD_SUPPORTED_LANGUAGES table in 12.2.2 may include additional languages with complex scripts (e.g., CJK: Chinese, Japanese, Korean). - **Extended Language Support**: Oracle periodically adds new languages to the table. EBS 12.2.2 may include newer language codes compared to 12.1.1. - **Integration with Oracle Fusion Middleware**: In 12.2.2, the table’s data is leveraged by Oracle Fusion Middleware components (e.g., Oracle SOA Suite) for consistent language handling in integrated systems. ### **Administrative Considerations** - **Adding/Removing Languages**: Administrators can add languages using Oracle’s Language Installation utility, which updates AD_SUPPORTED_LANGUAGES and deploys translation files. - **Performance Impact**: Supporting multiple languages increases the size of translation tables (e.g., FND_LANGUAGES, FND_NEW_MESSAGES), potentially affecting performance. Proper indexing and partitioning strategies are recommended. - **Compatibility with Customizations**: Custom reports or extensions must reference AD_SUPPORTED_LANGUAGES to ensure multilingual compatibility. ### **Conclusion** The AD_SUPPORTED_LANGUAGES table is a cornerstone of Oracle EBS’s multilingual architecture, enabling global deployments. Its structure and functionality remain consistent across 12.1.1 and 12.2.2, with enhancements in Unicode support and language coverage in later versions. Proper management of this table ensures seamless localization and compliance with regional requirements.